{
  "name": "File format magic numbers",
  "description": "The leading bytes (magic number / file signature) that identify a file format, with its usual extension. Answers 'what actually is this file' when the extension is wrong or missing.",
  "url": "https://referencesource.org/file-format-signatures/",
  "licence": "CC BY-SA 4.0 (source: Wikipedia)",
  "last_verified": "2026-08-03",
  "stale_after": "2027-08-03",
  "sources": [
    "https://en.wikipedia.org/wiki/List_of_file_signatures"
  ],
  "records": [
    {
      "hex_signature": "0 00 00 00 01",
      "offset": "0",
      "format": "BOBO",
      "id": "0-00-00-00-01",
      "url": "https://referencesource.org/file-format-signatures/0-00-00-00-01/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "\u2406\u2407\u00e1\u2400BOBO \u2406\u2407\u00e1\u2400\u2400\u2400\u2400\u2400 \u2400\u2400\u2400\u2400\u2400\u2401 |"
    },
    {
      "hex_signature": "00 00 02 00 06 04 06 00 08 00 00 00 00 00",
      "offset": "0",
      "id": "00-00-02-00-06-04-06-00-08-00-00-00-00-00",
      "url": "https://referencesource.org/file-format-signatures/00-00-02-00-06-04-06-00-08-00-00-00-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "00 00 02 00 06 04 06 00 08 00 00 00 00 00 | \u2400\u2400\u2402\u2400\u2406\u2404\u2406\u2400\u2408\u2400\u2400\u2400"
    },
    {
      "hex_signature": "30 37 30 37 30 31",
      "offset": "0",
      "extension": "070701",
      "format": "cpio",
      "id": "070701-30-37-30-37-30-31",
      "url": "https://referencesource.org/file-format-signatures/070701-30-37-30-37-30-31/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "070701 | 0 | cpio | <https://en.wikipedia.org/wiki/Cpio> cpio \"new\" ASCII archive file"
    },
    {
      "hex_signature": "30 37 30 37 30 32",
      "offset": "0",
      "extension": "070702",
      "format": "cpio",
      "id": "070702-30-37-30-37-30-32",
      "url": "https://referencesource.org/file-format-signatures/070702-30-37-30-37-30-32/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "070702 | 0 | cpio | <https://en.wikipedia.org/wiki/Cpio> cpio ASCII archive file with crc"
    },
    {
      "hex_signature": "30 37 30 37 30 37",
      "offset": "0",
      "extension": "070707",
      "format": "cpio",
      "id": "070707-30-37-30-37-30-37",
      "url": "https://referencesource.org/file-format-signatures/070707-30-37-30-37-30-37/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "070707 | 0 | cpio | <https://en.wikipedia.org/wiki/Cpio> cpio ASCII archive file [ 21 ]"
    },
    {
      "hex_signature": "23 25 4D 6F 64 75 6C 65",
      "offset": "23",
      "format": "Modulefile for Environment Modules",
      "id": "23-25-4d-6f-64-75-6c-65",
      "url": "https://referencesource.org/file-format-signatures/23-25-4d-6f-64-75-6c-65/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ps://en.wikipedia.org/wiki/OpenType> OpenType font [ 92 ] | 23 25 4D 6F 64 75 6C 65 | #%Module | 0 | | Modulefile for <https://en.wikipedia.org/wiki/Environment_Modules_(software)> Environment Modules [ 93 ] | 4D 53 57 49 4D 00 00 00 D0 00 00 00 00 | MSWIM\u2400\u2400\u2400\u00d0\u2400\u2400\u2400\u2400 | 0 | wim swm esd | <https://en.wikipedia.org/wiki/Windows_Imaging_Format> Windows Imaging Form"
    },
    {
      "hex_signature": "2D 2D 2D 2D 2D 42 45 47 49 4E 20 43 45 52 54 49 46 49 43 41 54 45 2D 2D 2D 2D 2D",
      "offset": "0",
      "format": "-----BEGIN CERTIFICATE-----",
      "id": "2d-2d-2d-2d-2d-42-45-47-49-4e-20-43-45-52-54-49-46-49-43-41-54-45-2d-2d-2d-2d-2d",
      "url": "https://referencesource.org/file-format-signatures/2d-2d-2d-2d-2d-42-45-47-49-4e-20-43-45-52-54-49-46-49-43-41-54-45-2d-2d-2d-2d-2d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "-----BEGIN CERTIFICATE----- | 0 |"
    },
    {
      "hex_signature": "2D 2D 2D 2D 2D 42 45 47 49 4E 20 4F 50 45 4E 53 53 48 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D",
      "offset": "0",
      "format": "<https://en.wikipedia.org/wiki/OpenSSH> OpenSSH private key file",
      "id": "2d-2d-2d-2d-2d-42-45-47-49-4e-20-4f-50-45-4e-53-53-48-20-50-52-49-56-41-54-45-20",
      "url": "https://referencesource.org/file-format-signatures/2d-2d-2d-2d-2d-42-45-47-49-4e-20-4f-50-45-4e-53-53-48-20-50-52-49-56-41-54-45-20/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "-----BEGIN OPENSSH PRIVATE KEY----- | 0 | | <https://en.wikipedia.org/wiki/OpenSSH> OpenSSH private key file"
    },
    {
      "hex_signature": "66 74 79 70 33 67",
      "offset": "4",
      "extension": "3gp 3g2",
      "format": "3rd Generation Partnership Project 3GPP and 3GPP2 multimedia files",
      "id": "3gp-3g2-66-74-79-70-33-67",
      "url": "https://referencesource.org/file-format-signatures/3gp-3g2-66-74-79-70-33-67/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "3rd Generation Partnership Project <https://en.wikipedia.org/wiki/3GPP> 3GPP and <https://en.wikipedia.org/wiki/3GPP2> 3GPP2 multimedia files"
    },
    {
      "hex_signature": "42 53 44 49 46 46 34 30",
      "offset": "0",
      "format": "bsdiff binary patch",
      "id": "42-53-44-49-46-46-34-30",
      "url": "https://referencesource.org/file-format-signatures/42-53-44-49-46-46-34-30/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "42 53 44 49 46 46 34 30 | BSDIFF40 | 0 | | <https://en.wikipedia.org/wiki/Bsdiff> bsdiff binary patch |"
    },
    {
      "hex_signature": "44 43 4D 01 50 41 33 30 50 41 33 30",
      "offset": "0",
      "format": "Windows Update Binary Delta Compression file",
      "id": "44-43-4d-01-50-41-33-30-50-41-33-30",
      "url": "https://referencesource.org/file-format-signatures/44-43-4d-01-50-41-33-30-50-41-33-30/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "DCM\u2401PA30 PA30 | 0 | | Windows Update <https://en.wikipedia.org/wiki/Binary_delta_compression> Binary Delta Compression file [ 60 ] |"
    },
    {
      "hex_signature": "45 52 02 00 00 00",
      "offset": "0",
      "format": "ER\u2402\u2400\u2400\u2400",
      "id": "45-52-02-00-00-00",
      "url": "https://referencesource.org/file-format-signatures/45-52-02-00-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "//en.wikipedia.org/wiki/AppleWorks> AppleWorks 6 document | 45 52 02 00 00 00 | ER\u2402\u2400\u2400\u2400 | 0 | toast | <https://en.wikipedia.org/wiki/Roxio_Toast> Roxio Toast disc image file | 8B 45 52 02 00 00 00 | \u2039ER\u2402\u2400\u2400\u2400 | 6B 6F 6C 79 | koly | end\u2013512 | dmg | <https://en.wikipedia.org/wiki/Apple_Disk_Image> Apple Disk Image file | 78 61 72 21 | xar! | 0 | xar | <https://en"
    },
    {
      "hex_signature": "4A 6F 79 21",
      "offset": "0",
      "format": "Preferred Executable Format",
      "id": "4a-6f-79-21",
      "url": "https://referencesource.org/file-format-signatures/4a-6f-79-21/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Preferred_Executable_Format> Preferred Executable Format"
    },
    {
      "hex_signature": "52 4E 43 01 52 4E 43 02",
      "offset": "0",
      "format": "Compressed file using Rob Northen Compression (version 1 and 2) algorithm",
      "id": "52-4e-43-01-52-4e-43-02",
      "url": "https://referencesource.org/file-format-signatures/52-4e-43-01-52-4e-43-02/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Compressed file using Rob Northen Compression (version 1 and 2) algorithm [ 14 ]"
    },
    {
      "hex_signature": "62 6F 6F 6B",
      "offset": "0",
      "format": "macOS bookmark format",
      "id": "62-6f-6f-6b",
      "url": "https://referencesource.org/file-format-signatures/62-6f-6f-6b/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "macOS <https://mac-alias.readthedocs.io/en/latest/bookmark_fmt.html> bookmark format"
    },
    {
      "hex_signature": "37 7a BC AF 27 1C",
      "offset": "0",
      "extension": "7z",
      "format": "7-Zip File Format",
      "id": "7z-37-7a-bc-af-27-1c",
      "url": "https://referencesource.org/file-format-signatures/7z-37-7a-bc-af-27-1c/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "7z\u00bc\u00af'\u241c | 0 | 7z | 7-Zip File Format |"
    },
    {
      "hex_signature": "8B 45 52 02 00 00 00",
      "offset": "0",
      "format": "\u2039ER\u2402\u2400\u2400\u2400",
      "id": "8b-45-52-02-00-00-00",
      "url": "https://referencesource.org/file-format-signatures/8b-45-52-02-00-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "kipedia.org/wiki/Roxio_Toast> Roxio Toast disc image file | 8B 45 52 02 00 00 00 | \u2039ER\u2402\u2400\u2400\u2400 | 6B 6F 6C 79 | koly | end\u2013512 | dmg | <https://en.wikipedia.org/wiki/Apple_Disk_Image> Apple Disk Image file | 78 61 72 21 | xar! | 0 | xar | <https://en.wikipedia.org/wiki/Xar_(archiver)> eXtensible ARchive format [ 52 ] | 50 4D 4F 43 43 4D 4F 43 | PMOCCMOC | 0 | dat"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? 8SVX",
      "offset": "0 any",
      "extension": "8svx 8sv svx snd iff",
      "format": "IFF 8-Bit Sampled Voice",
      "id": "8svx-8sv-svx-snd-iff-46-4f-52-4d-8svx",
      "url": "https://referencesource.org/file-format-signatures/8svx-8sv-svx-snd-iff-46-4f-52-4d-8svx/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/8SVX> 8-Bit Sampled Voice"
    },
    {
      "hex_signature": "AC ED",
      "offset": "AC",
      "format": "Serialized Java Data",
      "id": "ac-ed",
      "url": "https://referencesource.org/file-format-signatures/ac-ed/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Serialized Java Data"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? ACBM",
      "offset": "0 any",
      "extension": "acbmfiff",
      "format": "Amiga Contiguous Bitmap",
      "id": "acbmfiff-46-4f-52-4d-acbm",
      "url": "https://referencesource.org/file-format-signatures/acbmfiff-46-4f-52-4d-acbm/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Amiga_Contiguous_Bitmap?action=edit&redlink=1> Amiga Contiguous Bitmap"
    },
    {
      "hex_signature": "2A 2A 41 43 45 2A 2A",
      "offset": "7",
      "extension": "ace",
      "format": "ACE (compressed file format)",
      "id": "ace-2a-2a-41-43-45-2a-2a",
      "url": "https://referencesource.org/file-format-signatures/ace-2a-2a-41-43-45-2a-2a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ACE (compressed file format) [ <https://en.wikipedia.org/wiki/Wikipedia:Citation_needed> citation needed ]"
    },
    {
      "hex_signature": "41 46 46",
      "offset": "0",
      "extension": "aff",
      "format": "Advanced Forensics Format",
      "id": "aff-41-46-46",
      "url": "https://referencesource.org/file-format-signatures/aff-41-46-46/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "aff | Advanced Forensics Format"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? 41 49 46 46",
      "offset": "0",
      "extension": "aiff",
      "format": "Audio Interchange File Format",
      "id": "aiff-46-4f-52-4d-41-49-46-46",
      "url": "https://referencesource.org/file-format-signatures/aiff-46-4f-52-4d-41-49-46-46/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "FORM ???? AIFF | 0 any | aiff aif aifc snd iff | <https://en.wikipedia.org/wiki/Audio_Interchange_File_Format> Audio Interchange File Format"
    },
    {
      "hex_signature": "62 6F 6F 6B 00 00 00 00 6D 61 72 6B 00 00 00 00",
      "offset": "0",
      "extension": "alias",
      "format": "macOS file Alias",
      "id": "alias-62-6f-6f-6b-00-00-00-00-6d-61-72-6b-00-00-00-00",
      "url": "https://referencesource.org/file-format-signatures/alias-62-6f-6f-6b-00-00-00-00-6d-61-72-6b-00-00-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "macOS file Alias [ 75 ] ( <https://en.wikipedia.org/wiki/Symbolic_link> Symbolic link )"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? ANBM",
      "offset": "0 any",
      "extension": "anbm iff",
      "format": "IFF Animated Bitmap",
      "id": "anbm-iff-46-4f-52-4d-anbm",
      "url": "https://referencesource.org/file-format-signatures/anbm-iff-46-4f-52-4d-anbm/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/IFF_Animated_Bitmap?action=edit&redlink=1> Animated Bitmap"
    },
    {
      "hex_signature": "52 49 46 46 ?? ?? ?? ?? 41 43 4F 4E",
      "offset": "0",
      "extension": "ani",
      "format": "Animated cursor",
      "id": "ani-52-49-46-46-41-43-4f-4e",
      "url": "https://referencesource.org/file-format-signatures/ani-52-49-46-46-41-43-4f-4e/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ani | <https://en.wikipedia.org/wiki/Animated_cursor> Animated cursor"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? ANIM",
      "offset": "0 any",
      "extension": "anim iff",
      "format": "IFF CEL Animation",
      "id": "anim-iff-46-4f-52-4d-anim",
      "url": "https://referencesource.org/file-format-signatures/anim-iff-46-4f-52-4d-anim/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/IFF_CEL_Animation?action=edit&redlink=1> CEL Animation"
    },
    {
      "hex_signature": "60 EA",
      "offset": "0",
      "extension": "arj",
      "format": "ARJ",
      "id": "arj-60-ea",
      "url": "https://referencesource.org/file-format-signatures/arj-60-ea/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/ARJ> ARJ"
    },
    {
      "hex_signature": "30 26 B2 75 8E 66 CF 11 A6 D9 00 AA 00 62 CE 6C",
      "offset": "0",
      "extension": "asf wma wmv",
      "format": "Advanced Systems Format",
      "id": "asf-wma-wmv-30-26-b2-75-8e-66-cf-11-a6-d9-00-aa-00-62-ce-6c",
      "url": "https://referencesource.org/file-format-signatures/asf-wma-wmv-30-26-b2-75-8e-66-cf-11-a6-d9-00-aa-00-62-ce-6c/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Advanced Systems Format [ 37 ]"
    },
    {
      "hex_signature": "2E 73 6E 64",
      "offset": "2E",
      "extension": "au snd",
      "format": "Au audio file format",
      "id": "au-snd-2e-73-6e-64",
      "url": "https://referencesource.org/file-format-signatures/au-snd-2e-73-6e-64/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Au audio file format"
    },
    {
      "hex_signature": "4F 62 6A 01",
      "offset": "0",
      "extension": "avro",
      "format": "Apache Avro binary file format",
      "id": "avro-4f-62-6a-01",
      "url": "https://referencesource.org/file-format-signatures/avro-4f-62-6a-01/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Apache_Avro> Apache Avro binary file format"
    },
    {
      "hex_signature": "42 41 43 4B 4D 49 4B 45 44 49 53 4B",
      "offset": "0",
      "extension": "bac",
      "format": "AmiBack Amiga Backup data file",
      "id": "bac-42-41-43-4b-4d-49-4b-45-44-49-53-4b",
      "url": "https://referencesource.org/file-format-signatures/bac-42-41-43-4b-4d-49-4b-45-44-49-53-4b/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/AmiBack?action=edit&redlink=1> AmiBack <https://en.wikipedia.org/wiki/Amiga> Amiga <https://en.wikipedia.org/wiki/Backup> Backup data file"
    },
    {
      "hex_signature": "42 4C 45 4E 44 45 52",
      "offset": "42",
      "extension": "blend",
      "format": "Blender File Format",
      "id": "blend-42-4c-45-4e-44-45-52",
      "url": "https://referencesource.org/file-format-signatures/blend-42-4c-45-4e-44-45-52/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Blender File Format"
    },
    {
      "hex_signature": "42 50 47 FB",
      "offset": "0",
      "extension": "bpg",
      "format": "Better Portable Graphics format",
      "id": "bpg-42-50-47-fb",
      "url": "https://referencesource.org/file-format-signatures/bpg-42-50-47-fb/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Better_Portable_Graphics> Better Portable Graphics format [ 16 ]"
    },
    {
      "hex_signature": "6D 61 69 6E 2E 62 73",
      "offset": "0",
      "extension": "bs",
      "format": "main.bs",
      "id": "bs-6d-61-69-6e-2e-62-73",
      "url": "https://referencesource.org/file-format-signatures/bs-6d-61-69-6e-2e-62-73/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "main.bs | 0 | mgw | Nintendo <https://en.wikipedia.org/wiki/Game_&_Watch> Game & Watch image file"
    },
    {
      "hex_signature": "42 5A 68",
      "offset": "0",
      "extension": "bz2",
      "format": "Compressed file using Bzip2 algorithm",
      "id": "bz2-42-5a-68",
      "url": "https://referencesource.org/file-format-signatures/bz2-42-5a-68/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Compressed file using <https://en.wikipedia.org/wiki/Bzip2> Bzip2 algorithm"
    },
    {
      "hex_signature": "49 53 63 28",
      "offset": "0",
      "extension": "cab",
      "format": "InstallShield CAB Archive File",
      "id": "cab-49-53-63-28",
      "url": "https://referencesource.org/file-format-signatures/cab-49-53-63-28/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "cab | <https://en.wikipedia.org/wiki/InstallShield> InstallShield CAB Archive File"
    },
    {
      "hex_signature": "4D 53 43 46",
      "offset": "0",
      "extension": "cab",
      "format": "Microsoft Cabinet file",
      "id": "cab-4d-53-43-46",
      "url": "https://referencesource.org/file-format-signatures/cab-4d-53-43-46/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "MSCF | 0 | cab | Microsoft Cabinet file |"
    },
    {
      "hex_signature": "52 49 46 46 ?? ?? ?? ?? 43 44 44 41",
      "offset": "0",
      "extension": "cda",
      "format": ".cda file",
      "id": "cda-52-49-46-46-43-44-44-41",
      "url": "https://referencesource.org/file-format-signatures/cda-52-49-46-46-43-44-44-41/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "cda | <https://en.wikipedia.org/wiki/.cda_file> .cda file"
    },
    {
      "hex_signature": "43 44 30 30 31",
      "offset": "0",
      "extension": "cdi",
      "format": "CD-i CD image file",
      "id": "cdi-43-44-30-30-31",
      "url": "https://referencesource.org/file-format-signatures/cdi-43-44-30-30-31/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "CD-i CD image file"
    },
    {
      "hex_signature": "49 54 53 46 03 00 00 00 60 00 00 00",
      "offset": "0",
      "extension": "chm",
      "format": "MS Windows HtmlHelp Data",
      "id": "chm-49-54-53-46-03-00-00-00-60-00-00-00",
      "url": "https://referencesource.org/file-format-signatures/chm-49-54-53-46-03-00-00-00-60-00-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "MS Windows HtmlHelp Data"
    },
    {
      "hex_signature": "80 2A 5F D7",
      "offset": "0",
      "extension": "cin",
      "format": "Kodak Cineon image",
      "id": "cin-80-2a-5f-d7",
      "url": "https://referencesource.org/file-format-signatures/cin-80-2a-5f-d7/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Eastman_Kodak> Kodak <https://en.wikipedia.org/wiki/Cineon#Cineon_file_format> Cineon image"
    },
    {
      "hex_signature": "CA FE BA BE",
      "offset": "0",
      "extension": "class",
      "format": "<https://en.wikipedia.org/wiki/Java_class_file> Java class file , <https://en.wikipedia.org/wiki/Fat_binary#Apple> Mach-O Fat Binary",
      "id": "class-ca-fe-ba-be",
      "url": "https://referencesource.org/file-format-signatures/class-ca-fe-ba-be/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Java_class_file> Java class file , <https://en.wikipedia.org/wiki/Fat_binary#Apple> Mach-O Fat Binary"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? 43 4D 55 53",
      "offset": "0",
      "extension": "cmus",
      "format": "Musical Score",
      "id": "cmus-46-4f-52-4d-43-4d-55-53",
      "url": "https://referencesource.org/file-format-signatures/cmus-46-4f-52-4d-43-4d-55-53/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "FORM ???? CMUS | 0 any | cmus mus iff | <https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/IFF_Musical_Score?action=edit&redlink=1> Musical Score"
    },
    {
      "hex_signature": "C9",
      "offset": "0",
      "extension": "com",
      "format": "<https://en.wikipedia.org/wiki/COM_file_(CP/M)> CP/M 3 and higher with overlays",
      "id": "com-c9",
      "url": "https://referencesource.org/file-format-signatures/com-c9/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/COM_file_(CP/M)> CP/M 3 and higher with overlays [ 27 ]"
    },
    {
      "hex_signature": "49 49 2A 00 10 00 00 00 43 52",
      "offset": "0",
      "extension": "cr2",
      "format": "Canon RAW Format Version 2",
      "id": "cr2-49-49-2a-00-10-00-00-00-43-52",
      "url": "https://referencesource.org/file-format-signatures/cr2-49-49-2a-00-10-00-00-00-43-52/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Canon RAW Format Version 2 [ 12 ] Canon's RAW format is based on TIFF. [ 13 ]"
    },
    {
      "hex_signature": "66 74 79 70 63 72 78 43 52",
      "offset": "0",
      "extension": "cr3",
      "format": "Canon RAW Format Version 3",
      "id": "cr3-66-74-79-70-63-72-78-43-52",
      "url": "https://referencesource.org/file-format-signatures/cr3-66-74-79-70-63-72-78-43-52/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "sion 2 [ 12 ] Canon's RAW format is based on TIFF. [ 13 ] | 66 74 79 70 63 72 78 43 52 | ftypcrx | 0 | cr3 | 80 2A 5F D7 | \u20ac*_\u00d7 | 0 | cin | <https://en.wikipedia.org/wiki/Eastman_Kodak> Kodak <https://en.wikipedia.org/wiki/Cineon#Cineon_file_format> Cineon image | 52 4E 43 01 52 4E 43 02 | RNC\u2401 RNC\u2402 | 0 | | Compressed file using Rob Northen Compression (vers"
    },
    {
      "hex_signature": "43 36 34 20 43 41 52 54 52 49 44 47 45 20 20 20",
      "offset": "0",
      "extension": "crt",
      "format": "Commodore 64 cartridge image",
      "id": "crt-43-36-34-20-43-41-52-54-52-49-44-47-45-20-20-20",
      "url": "https://referencesource.org/file-format-signatures/crt-43-36-34-20-43-41-52-54-52-49-44-47-45-20-20-20/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "crt | <https://en.wikipedia.org/wiki/Commodore_64> Commodore 64 cartridge image"
    },
    {
      "hex_signature": "43 72 32 34",
      "offset": "0",
      "extension": "crx",
      "format": "Google Chrome extension [ 48 ] or packaged app [ 49 ]",
      "id": "crx-43-72-32-34",
      "url": "https://referencesource.org/file-format-signatures/crx-43-72-32-34/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "crx | <https://en.wikipedia.org/wiki/Google_Chrome> Google Chrome extension [ 48 ] or packaged app [ 49 ]"
    },
    {
      "hex_signature": "2D 2D 2D 2D 2D 42 45 47 49 4E 20 43 45 52 54 49 46 49 43 41 54 45 20 52 45 51 55 45 53 54 2D 2D 2D 2D 2D",
      "offset": "0",
      "extension": "csr",
      "format": "PEM encoded X.509 Certificate Signing Request",
      "id": "csr-2d-2d-2d-2d-2d-42-45-47-49-4e-20-43-45-52-54-49-46-49-43-41-54-45-20-52-45-51-55",
      "url": "https://referencesource.org/file-format-signatures/csr-2d-2d-2d-2d-2d-42-45-47-49-4e-20-43-45-52-54-49-46-49-43-41-54-45-20-52-45-51-55/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "-----BEGIN CERTIFICATE REQUEST----- | 0 | csr pem | PEM encoded X.509 <https://en.wikipedia.org/wiki/Certificate_Signing_Request> Certificate Signing Request"
    },
    {
      "hex_signature": "02 00 5a 57 52 54 00 00 00 00 00 00 00 00 00 00",
      "offset": "0",
      "extension": "cwk",
      "format": "Claris Works word processing doc",
      "id": "cwk-02-00-5a-57-52-54-00-00-00-00-00-00-00-00-00-00",
      "url": "https://referencesource.org/file-format-signatures/cwk-02-00-5a-57-52-54-00-00-00-00-00-00-00-00-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "02 00 5a 57 52 54 00 00 00 00 00 00 00 00 00 00 | \u2402\u2400ZWRT\u2400\u2400\u2400\u2400\u2400\u2400\u2400\u2400\u2400\u2400 | 0 | cwk | Claris Works word processing doc"
    },
    {
      "hex_signature": "05 07 00 00 42 4F 42 4F 05 07 00 00 00 00 00 00 00 00 00 00 00 01",
      "offset": "0",
      "extension": "cwk",
      "format": "AppleWorks 5 document",
      "id": "cwk-05-07-00-00-42-4f-42-4f-05-07-00-00-00-00-00-00-00-00-00-00-00-01",
      "url": "https://referencesource.org/file-format-signatures/cwk-05-07-00-00-42-4f-42-4f-05-07-00-00-00-00-00-00-00-00-00-00-00-01/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "cwk | <https://en.wikipedia.org/wiki/AppleWorks> AppleWorks 5 document"
    },
    {
      "hex_signature": "06 07 E1 00 42 4F 42 4F 06 07 E1 00 00 00 00 00 00 00 00 00 00 01",
      "offset": "0",
      "extension": "cwk",
      "format": "AppleWorks 6 document",
      "id": "cwk-06-07-e1-00-42-4f-42-4f-06-07-e1-00-00-00-00-00-00-00-00-00-00-01",
      "url": "https://referencesource.org/file-format-signatures/cwk-06-07-e1-00-42-4f-42-4f-06-07-e1-00-00-00-00-00-00-00-00-00-00-01/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "cwk | <https://en.wikipedia.org/wiki/AppleWorks> AppleWorks 6 document"
    },
    {
      "hex_signature": "A0 32 41 A0 A0 A0",
      "offset": "0x165A4",
      "extension": "d64",
      "format": "Commodore 64 1541 disk image (D64 format)",
      "id": "d64-a0-32-41-a0-a0-a0",
      "url": "https://referencesource.org/file-format-signatures/d64-a0-32-41-a0-a0-a0/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "d64 | <https://en.wikipedia.org/wiki/Commodore_64> Commodore 64 1541 disk image (D64 format)"
    },
    {
      "hex_signature": "A0 33 44 A0 A0",
      "offset": "0x61819",
      "extension": "d81",
      "format": "Commodore 64 1581 disk image (D81 format)",
      "id": "d81-a0-33-44-a0-a0",
      "url": "https://referencesource.org/file-format-signatures/d81-a0-33-44-a0-a0/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "d81 | <https://en.wikipedia.org/wiki/Commodore_64> Commodore 64 1581 disk image (D81 format)"
    },
    {
      "hex_signature": "44 41 41",
      "offset": "44",
      "extension": "daa",
      "format": "Direct Access Archive PowerISO",
      "id": "daa-44-41-41",
      "url": "https://referencesource.org/file-format-signatures/daa-44-41-41/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Direct Access Archive PowerISO"
    },
    {
      "hex_signature": "50 4D 4F 43 43 4D 4F 43",
      "offset": "0",
      "extension": "dat",
      "format": "Windows Files And Settings Transfer Repository",
      "id": "dat-50-4d-4f-43-43-4d-4f-43",
      "url": "https://referencesource.org/file-format-signatures/dat-50-4d-4f-43-43-4d-4f-43/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "PMOCCMOC | 0 | dat | Windows Files And Settings Transfer Repository [ 53 ] See also USMT 3.0 (Win XP) [ 54 ] and USMT 4.0 (Win 7) [ 55 ] User Guides |"
    },
    {
      "hex_signature": "72 65 67 66",
      "offset": "72",
      "extension": "dat hiv",
      "format": "Windows Registry file",
      "id": "dat-hiv-72-65-67-66",
      "url": "https://referencesource.org/file-format-signatures/dat-hiv-72-65-67-66/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Windows Registry file"
    },
    {
      "hex_signature": "DB 0A CE 00",
      "offset": "DB",
      "format": "OpenGL Iris Perfomer .PFB (Performer Fast Binary)",
      "id": "db-0a-ce-00",
      "url": "https://referencesource.org/file-format-signatures/db-0a-ce-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "OpenGL Iris Perfomer .PFB (Performer Fast Binary)"
    },
    {
      "hex_signature": "44 49 43 4D",
      "offset": "128",
      "extension": "dcm",
      "format": "<https://en.wikipedia.org/wiki/DICOM> DICOM Medical File Format",
      "id": "dcm-44-49-43-4d",
      "url": "https://referencesource.org/file-format-signatures/dcm-44-49-43-4d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "DICM | 128 | dcm | <https://en.wikipedia.org/wiki/DICOM> DICOM Medical File Format"
    },
    {
      "hex_signature": "52 49 46 58 ?? ?? ?? ?? 46 47 44 4D (big-endian)",
      "offset": "0",
      "extension": "dcr",
      "format": "Adobe Shockwave",
      "id": "dcr-52-49-46-58-46-47-44-4d-big-endian",
      "url": "https://referencesource.org/file-format-signatures/dcr-52-49-46-58-46-47-44-4d-big-endian/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "dcr | <https://en.wikipedia.org/wiki/Adobe_Shockwave> Adobe Shockwave [ 83 ] [ 84 ] [ 85 ]"
    },
    {
      "hex_signature": "64 65 78 0A 30 33 35 00",
      "offset": "0",
      "extension": "dex",
      "format": "Dalvik Executable",
      "id": "dex-64-65-78-0a-30-33-35-00",
      "url": "https://referencesource.org/file-format-signatures/dex-64-65-78-0a-30-33-35-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "dex | <https://en.wikipedia.org/wiki/Dalvik_(software)> Dalvik Executable"
    },
    {
      "hex_signature": "52 49 46 58 ?? ?? ?? ?? 4D 56 39 33 (big-endian)",
      "offset": "0",
      "extension": "dir dxr drx",
      "format": "Macromedia Director file format",
      "id": "dir-dxr-drx-52-49-46-58-4d-56-39-33-big-endian",
      "url": "https://referencesource.org/file-format-signatures/dir-dxr-drx-52-49-46-58-4d-56-39-33-big-endian/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "dir dxr drx | <https://en.wikipedia.org/wiki/Macromedia_Director> Macromedia Director file format [ 86 ] [ 84 ] [ 85 ]"
    },
    {
      "hex_signature": "41 54 26 54 46 4F 52 4D ?? ?? ?? ?? 44 4A 56",
      "offset": "0",
      "extension": "djv",
      "format": "DjVu document",
      "id": "djv-41-54-26-54-46-4f-52-4d-44-4a-56",
      "url": "https://referencesource.org/file-format-signatures/djv-41-54-26-54-46-4f-52-4d-44-4a-56/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "erfect for Windows\" and \"RP3W : ROWPERFECT3 for Windows\". | 41 54 26 54 46 4F 52 4D ?? ?? ?? ?? 44 4A 56 | AT&TFORM ???? DJV | 0 | djvu djv | <https://en.wikipedia.org/wiki/DjVu> DjVu document The following byte is either 55 ( U ) for single-page or 4D ( M ) for multi-page documents. | 2D 2D 2D 2D 2D 42 45 47 49 4E 20 43 45 52 54 49 46 49 43 41 54 45 2D 2D 2"
    },
    {
      "hex_signature": "41 54 26 54 46 4F 52 4D ?? ?? ?? ?? 44 4A 56",
      "offset": "0",
      "extension": "djvu djv",
      "format": "DjVu document",
      "id": "djvu-djv-41-54-26-54-46-4f-52-4d-44-4a-56",
      "url": "https://referencesource.org/file-format-signatures/djvu-djv-41-54-26-54-46-4f-52-4d-44-4a-56/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "AT&TFORM ???? DJV | 0 | djvu djv | <https://en.wikipedia.org/wiki/DjVu> DjVu document The following byte is either 55 ( U ) for single-page or 4D ( M ) for multi-page documents."
    },
    {
      "hex_signature": "6B 6F 6C 79",
      "offset": "0",
      "extension": "dmg",
      "format": "Apple Disk Image file",
      "id": "dmg-6b-6f-6c-79",
      "url": "https://referencesource.org/file-format-signatures/dmg-6b-6f-6c-79/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "koly | end\u2013512 | dmg | <https://en.wikipedia.org/wiki/Apple_Disk_Image> Apple Disk Image file |"
    },
    {
      "hex_signature": "D0 CF 11 E0",
      "offset": "0",
      "extension": "doc",
      "format": "DOCFILE",
      "id": "doc-d0-cf-11-e0",
      "url": "https://referencesource.org/file-format-signatures/doc-d0-cf-11-e0/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Note the similarity between D0 CF 11 E0 and the word \"DOCFILE\"!"
    },
    {
      "hex_signature": "D0 CF 11 E0 A1 B1 1A E1",
      "offset": "0",
      "extension": "doc xls ppt msi msg",
      "format": "Compound File Binary Format , a container format defined by Microsoft COM. It can contain the equivalent of files and directories. It is used by <https://en.wikipedia.org/wiki/Windows_Installer> Windows Installer and for documents in older versions of <https://en.wikipedia.org/wiki/Microsoft_Office> Microsoft Office . [ 44 ] It can be used by other programs as well that rely on the COM and OLE API's. ( 0xD0CF11E0 visually resembles \"DOCFILE\". [ 45 ] )",
      "id": "doc-xls-ppt-msi-msg-d0-cf-11-e0-a1-b1-1a-e1",
      "url": "https://referencesource.org/file-format-signatures/doc-xls-ppt-msi-msg-d0-cf-11-e0-a1-b1-1a-e1/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "doc xls ppt msi msg | <https://en.wikipedia.org/wiki/Compound_File_Binary_Format> Compound File Binary Format , a container format defined by Microsoft COM. It can contain the equivalent of files and directories. It is used by <https://en.wikipedia.org/wiki/Windows_Installer> Windows Installer and for documents in older versions of <https://en.wikipedia.org/wiki/Microsoft_Office> Microsoft Office . [ 44 ] It can be used by other programs as well that rely on the COM and OLE API's. ( 0xD0CF11E0 visually resembles \"DOCFILE\". [ 45 ] )"
    },
    {
      "hex_signature": "53 44 50 58",
      "offset": "0",
      "extension": "dpx",
      "format": "SMPTE DPX image",
      "id": "dpx-53-44-50-58",
      "url": "https://referencesource.org/file-format-signatures/dpx-53-44-50-58/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/SMPTE> SMPTE <https://en.wikipedia.org/wiki/Digital_Picture_Exchange> DPX image"
    },
    {
      "hex_signature": "44 52 41 43 4F",
      "offset": "44",
      "extension": "drc",
      "format": "3D model compressed with Google Draco",
      "id": "drc-44-52-41-43-4f",
      "url": "https://referencesource.org/file-format-signatures/drc-44-52-41-43-4f/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "3D model compressed with Google Draco"
    },
    {
      "hex_signature": "44 55 43 4b",
      "offset": "8",
      "extension": "duck",
      "format": "DuckDB database file",
      "id": "duck-44-55-43-4b",
      "url": "https://referencesource.org/file-format-signatures/duck-44-55-43-4b/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "44 55 43 4b | DUCK | 8 | | <https://en.wikipedia.org/wiki/DuckDB> DuckDB database file (source: <https://github.com/duckdb/duckdb/blob/main/src/include/duckdb/storage/storage_info.hpp#L69> Source code ) |"
    },
    {
      "hex_signature": "e0 01 00 ea",
      "offset": "0",
      "format": "Ion (serialization format) binary encoding",
      "id": "e0-01-00-ea",
      "url": "https://referencesource.org/file-format-signatures/e0-01-00-ea/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "E0 01 00 EA | \u00ea\u2400\u2401\u00e0 | 0 | | <https://en.wikipedia.org/wiki/Ion_(serialization_format)> Ion (serialization format) binary encoding [ 100 ] |"
    },
    {
      "hex_signature": "45 56 46",
      "offset": "0",
      "extension": "e01",
      "format": "EnCase EWF version 1 format",
      "id": "e01-45-56-46",
      "url": "https://referencesource.org/file-format-signatures/e01-45-56-46/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "e01 | <https://en.wikipedia.org/wiki/EnCase> EnCase EWF version 1 format"
    },
    {
      "hex_signature": "2d 45 35 37",
      "offset": "0",
      "extension": "e57",
      "format": "ASTM E57 3D file format",
      "id": "e57-2d-45-35-37",
      "url": "https://referencesource.org/file-format-signatures/e57-2d-45-35-37/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "2d 45 35 37 | ASTM-E57 | 0 | e57 | ASTM E57 3D file format |"
    },
    {
      "hex_signature": "7F 45 4C 46",
      "offset": "0",
      "extension": "elf",
      "format": "ELF",
      "id": "elf-7f-45-4c-46",
      "url": "https://referencesource.org/file-format-signatures/elf-7f-45-4c-46/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "\u2421ELF | 0 | none, .axf, .bin, .elf, .o, .out, .prx, .puff,"
    },
    {
      "hex_signature": "52 65 63 65 69 76 65 64 3A",
      "offset": "0",
      "extension": "eml",
      "format": "Email Message var5",
      "id": "eml-52-65-63-65-69-76-65-64-3a",
      "url": "https://referencesource.org/file-format-signatures/eml-52-65-63-65-69-76-65-64-3a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Email Message var5 [ <https://en.wikipedia.org/wiki/Wikipedia:Citation_needed> citation needed ]"
    },
    {
      "hex_signature": "25 21 50 53 2D 41 64 6F 62 65 2D 33 2E 30 20 45 50 53 46 2D 33 2E 30",
      "offset": "0",
      "extension": "eps epsf",
      "format": "Encapsulated PostScript file version 3.0",
      "id": "eps-epsf-25-21-50-53-2d-41-64-6f-62-65-2d-33-2e-30-20-45-50-53-46-2d-33-2e-30",
      "url": "https://referencesource.org/file-format-signatures/eps-epsf-25-21-50-53-2d-41-64-6f-62-65-2d-33-2e-30-20-45-50-53-46-2d-33-2e-30/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Encapsulated PostScript file version 3.0 [ 34 ]"
    },
    {
      "hex_signature": "25 21 50 53 2D 41 64 6F 62 65 2D 33 2E 31 20 45 50 53 46 2D 33 2E 30",
      "offset": "0",
      "extension": "eps epsf",
      "format": "Encapsulated PostScript file version 3.1",
      "id": "eps-epsf-25-21-50-53-2d-41-64-6f-62-65-2d-33-2e-31-20-45-50-53-46-2d-33-2e-30",
      "url": "https://referencesource.org/file-format-signatures/eps-epsf-25-21-50-53-2d-41-64-6f-62-65-2d-33-2e-31-20-45-50-53-46-2d-33-2e-30/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Encapsulated PostScript file version 3.1 [ 35 ]"
    },
    {
      "hex_signature": "4C 66 4C 65",
      "offset": "4C",
      "extension": "evt",
      "format": "Windows Event Viewer file format",
      "id": "evt-4c-66-4c-65",
      "url": "https://referencesource.org/file-format-signatures/evt-4c-66-4c-65/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "iki/Direct_Access_Archive> Direct Access Archive PowerISO | 4C 66 4C 65 | LfLe | 0 | evt | Windows <https://en.wikipedia.org/wiki/Event_Viewer> Event Viewer file format | 45 6C 66 46 69 6C 65 | ElfFile | 0 | evtx | Windows <https://en.wikipedia.org/wiki/Event_Viewer> Event Viewer XML file format | 73 64 62 66 | sdbf | 8 | sdb | Windows customized database |"
    },
    {
      "hex_signature": "45 6C 66 46 69 6C 65",
      "offset": "45",
      "extension": "evtx",
      "format": "Windows Event Viewer XML file format",
      "id": "evtx-45-6c-66-46-69-6c-65",
      "url": "https://referencesource.org/file-format-signatures/evtx-45-6c-66-46-69-6c-65/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "wikipedia.org/wiki/Event_Viewer> Event Viewer file format | 45 6C 66 46 69 6C 65 | ElfFile | 0 | evtx | Windows <https://en.wikipedia.org/wiki/Event_Viewer> Event Viewer XML file format | 73 64 62 66 | sdbf | 8 | sdb | Windows customized database | 50 4D 43 43 | PMCC | 0 | grp | Windows 3.x <https://en.wikipedia.org/wiki/Program_Manager> Program Manager Prog"
    },
    {
      "hex_signature": "45 56 46 32",
      "offset": "0",
      "extension": "Ex01",
      "format": "EnCase EWF version 2 format",
      "id": "ex01-45-56-46-32",
      "url": "https://referencesource.org/file-format-signatures/ex01-45-56-46-32/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Ex01 | <https://en.wikipedia.org/wiki/EnCase> EnCase EWF version 2 format"
    },
    {
      "hex_signature": "4D 5A",
      "offset": "0",
      "extension": "exe",
      "format": "DOS MZ executable",
      "id": "exe-4d-5a",
      "url": "https://referencesource.org/file-format-signatures/exe-4d-5a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "MZ | 0 | exe dll mui sys scr cpl ocx ax iec ime rs tsp fon efi | <https://en.wikipedia.org/wiki/DOS_MZ_executable> DOS MZ executable and its descendants (including <https://en.wikipedia.org/wiki/New_Executable> NE and <https://en.wikipedia.org/wiki/Portable_Executable> PE )"
    },
    {
      "hex_signature": "5A 4D",
      "offset": "0",
      "extension": "exe",
      "format": "DOS ZM executable",
      "id": "exe-5a-4d",
      "url": "https://referencesource.org/file-format-signatures/exe-5a-4d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ZM | 0 | exe | <https://en.wikipedia.org/wiki/DOS_ZM_executable> DOS ZM executable and its descendants (rare)"
    },
    {
      "hex_signature": "76 2F 31 01",
      "offset": "0",
      "extension": "exr",
      "format": "OpenEXR image",
      "id": "exr-76-2f-31-01",
      "url": "https://referencesource.org/file-format-signatures/exr-76-2f-31-01/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/OpenEXR> OpenEXR image"
    },
    {
      "hex_signature": "45 4D 58 32",
      "offset": "0",
      "extension": "ez2",
      "format": "Emulator Emaxsynth samples",
      "id": "ez2-45-4d-58-32",
      "url": "https://referencesource.org/file-format-signatures/ez2-45-4d-58-32/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/E-mu_Emax> Emulator Emaxsynth samples"
    },
    {
      "hex_signature": "45 4D 55 33",
      "offset": "0",
      "extension": "ez3 iso",
      "format": "Emulator III synth samples",
      "id": "ez3-iso-45-4d-55-33",
      "url": "https://referencesource.org/file-format-signatures/ez3-iso-45-4d-55-33/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/E-mu_Emulator#The_Emulator_III> Emulator III synth samples"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? 46 41 4E 54",
      "offset": "0",
      "extension": "fant",
      "format": "Fantavision Movie",
      "id": "fant-46-4f-52-4d-46-41-4e-54",
      "url": "https://referencesource.org/file-format-signatures/fant-46-4f-52-4d-46-41-4e-54/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "FORM ???? FANT | 0 any | iff | <https://en.wikipedia.org/wiki/Amiga> Amiga <https://en.wikipedia.org/wiki/Fantavision> Fantavision Movie"
    },
    {
      "hex_signature": "46 41 58 58",
      "offset": "0",
      "extension": "fax",
      "format": "Facsimile Image",
      "id": "fax-46-41-58-58",
      "url": "https://referencesource.org/file-format-signatures/fax-46-41-58-58/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "faxx fax iff | <https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/Fax> Facsimile Image"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? FAXX",
      "offset": "0 any",
      "extension": "faxx fax iff",
      "format": "IFF Facsimile Image",
      "id": "faxx-fax-iff-46-4f-52-4d-faxx",
      "url": "https://referencesource.org/file-format-signatures/faxx-fax-iff-46-4f-52-4d-faxx/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/Fax> Facsimile Image"
    },
    {
      "hex_signature": "41 47 44 33",
      "offset": "0",
      "extension": "fh8",
      "format": "FreeHand 8 document [ 50 ] [ 51 ]",
      "id": "fh8-41-47-44-33",
      "url": "https://referencesource.org/file-format-signatures/fh8-41-47-44-33/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "fh8 | <https://en.wikipedia.org/wiki/Adobe_FreeHand> FreeHand 8 document [ 50 ] [ 51 ]"
    },
    {
      "hex_signature": "53 49 4D 50 4C 45 20 20 3D 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 54",
      "offset": "0",
      "extension": "fits",
      "format": "Flexible Image Transport System ( <https://en.wikipedia.org/wiki/FITS> FITS ) [ 41 ]",
      "id": "fits-53-49-4d-50-4c-45-20-20-3d-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20",
      "url": "https://referencesource.org/file-format-signatures/fits-53-49-4d-50-4c-45-20-20-3d-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20-20/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "fits | Flexible Image Transport System ( <https://en.wikipedia.org/wiki/FITS> FITS ) [ 41 ]"
    },
    {
      "hex_signature": "66 4C 61 43",
      "offset": "0",
      "extension": "flac",
      "format": "FLAC",
      "id": "flac-66-4c-61-43",
      "url": "https://referencesource.org/file-format-signatures/flac-66-4c-61-43/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "fLaC\", the FLAC stream marker in ASCII, meaning byte 0 of the stream is 0x66, followed by 0x4C 0x61 0x43"
    },
    {
      "hex_signature": "46 4C 49 46",
      "offset": "0",
      "extension": "flif",
      "format": "Free Lossless Image Format",
      "id": "flif-46-4c-49-46",
      "url": "https://referencesource.org/file-format-signatures/flif-46-4c-49-46/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "FLIF | 0 | flif | <https://en.wikipedia.org/wiki/Free_Lossless_Image_Format> Free Lossless Image Format |"
    },
    {
      "hex_signature": "46 4C 56",
      "offset": "0",
      "extension": "flv",
      "format": "Flash Video file",
      "id": "flv-46-4c-56",
      "url": "https://referencesource.org/file-format-signatures/flv-46-4c-56/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "flv | <https://en.wikipedia.org/wiki/Flash_Video> Flash Video file"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? 46 54 58 54",
      "offset": "0",
      "extension": "ftxt",
      "format": "Formatted Text",
      "id": "ftxt-46-4f-52-4d-46-54-58-54",
      "url": "https://referencesource.org/file-format-signatures/ftxt-46-4f-52-4d-46-54-58-54/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "FORM ???? FTXT | 0 any | ftxt iff | <https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/Formatted_text> Formatted Text"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? FTXT",
      "offset": "0 any",
      "extension": "ftxt iff",
      "format": "IFF Formatted Text",
      "id": "ftxt-iff-46-4f-52-4d-ftxt",
      "url": "https://referencesource.org/file-format-signatures/ftxt-iff-46-4f-52-4d-ftxt/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/Formatted_text> Formatted Text"
    },
    {
      "hex_signature": "47 53 52 2D 31 35 34 31",
      "offset": "0",
      "extension": "g64",
      "format": "Commodore 64 1541 disk image (G64 format)",
      "id": "g64-47-53-52-2d-31-35-34-31",
      "url": "https://referencesource.org/file-format-signatures/g64-47-53-52-2d-31-35-34-31/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "g64 | <https://en.wikipedia.org/wiki/Commodore_64> Commodore 64 1541 disk image (G64 format)"
    },
    {
      "hex_signature": "47 49 46 38 37 61 47 49 46 38 39 61",
      "offset": "0",
      "extension": "gif",
      "format": "Image file encoded in Graphics Interchange Format (GIF)",
      "id": "gif-47-49-46-38-37-61-47-49-46-38-39-61",
      "url": "https://referencesource.org/file-format-signatures/gif-47-49-46-38-37-61-47-49-46-38-39-61/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Image file encoded in the <https://en.wikipedia.org/wiki/Graphics_Interchange_Format> Graphics Interchange Format (GIF) [ 9 ]"
    },
    {
      "hex_signature": "67 6c 54 46",
      "offset": "0",
      "extension": "glb",
      "format": "glTF file",
      "id": "glb-67-6c-54-46",
      "url": "https://referencesource.org/file-format-signatures/glb-67-6c-54-46/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "67 6c 54 46 | glTF | 0 | glb | Binary <https://en.wikipedia.org/wiki/GlTF> glTF file [ 101 ] |"
    },
    {
      "hex_signature": "47 52 49 42",
      "offset": "47",
      "extension": "grib grib2",
      "format": "Gridded data (commonly weather observations or forecasts) in the WMO GRIB or GRIB2 format",
      "id": "grib-grib2-47-52-49-42",
      "url": "https://referencesource.org/file-format-signatures/grib-grib2-47-52-49-42/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "| 0 | drc | 3D model compressed with Google Draco [ 88 ] | 47 52 49 42 | GRIB | 0 | grib grib2 | Gridded data (commonly weather observations or forecasts) in the <https://en.wikipedia.org/wiki/World_Meteorological_Organization> WMO <https://en.wikipedia.org/wiki/GRIB> GRIB or <https://en.wikipedia.org/wiki/GRIB2?action=edit&redlink=1> GRIB2 format [ 89 ] |"
    },
    {
      "hex_signature": "50 4D 43 43",
      "offset": "50",
      "extension": "grp",
      "format": "Windows 3.x Program Manager Program Group file format",
      "id": "grp-50-4d-43-43",
      "url": "https://referencesource.org/file-format-signatures/grp-50-4d-43-43/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "3 64 62 66 | sdbf | 8 | sdb | Windows customized database | 50 4D 43 43 | PMCC | 0 | grp | Windows 3.x <https://en.wikipedia.org/wiki/Program_Manager> Program Manager Program Group file format | 4B 43 4D 53 | KCMS | 0 | icm | <https://en.wikipedia.org/wiki/ICC_profile> ICC profile | 72 65 67 66 | regf | 0 | dat hiv | <https://en.wikipedia.org/wiki/Windows_Re"
    },
    {
      "hex_signature": "1F 8B",
      "offset": "0",
      "extension": "gz",
      "format": "GZIP compressed file",
      "id": "gz-1f-8b",
      "url": "https://referencesource.org/file-format-signatures/gz-1f-8b/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "\u241f\u2039 | 0 | gz tar.gz | <https://en.wikipedia.org/wiki/GZIP> GZIP compressed file [ 61 ] |"
    },
    {
      "hex_signature": "0E 03 13 01",
      "offset": "0",
      "extension": "hdf4 h4",
      "format": "Data stored in version 4 of the <https://en.wikipedia.org/wiki/Hierarchical_Data_Format> Hierarchical Data Format .",
      "id": "hdf4-h4-0e-03-13-01",
      "url": "https://referencesource.org/file-format-signatures/hdf4-h4-0e-03-13-01/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Data stored in version 4 of the <https://en.wikipedia.org/wiki/Hierarchical_Data_Format> Hierarchical Data Format ."
    },
    {
      "hex_signature": "89 48 44 46 0D 0A 1A 0A",
      "offset": "0, 512, 1024, 2048, ...",
      "extension": "hdf5 h5",
      "format": "Data stored in version 5 of the <https://en.wikipedia.org/wiki/Hierarchical_Data_Format> Hierarchical Data Format .",
      "id": "hdf5-h5-89-48-44-46-0d-0a-1a-0a",
      "url": "https://referencesource.org/file-format-signatures/hdf5-h5-89-48-44-46-0d-0a-1a-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Data stored in version 5 of the <https://en.wikipedia.org/wiki/Hierarchical_Data_Format> Hierarchical Data Format ."
    },
    {
      "hex_signature": "66 74 79 70 68 65 69 63 66 74 79 70 6d",
      "offset": "4",
      "extension": "heic",
      "format": "High Efficiency Image Container (HEIC)",
      "id": "heic-66-74-79-70-68-65-69-63-66-74-79-70-6d",
      "url": "https://referencesource.org/file-format-signatures/heic-66-74-79-70-68-65-69-63-66-74-79-70-6d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "High Efficiency Image Container (HEIC)"
    },
    {
      "hex_signature": "00 00 00 18 66 74 79 70 68 65 69 63 00 00 00 00",
      "offset": "0",
      "extension": "heif",
      "format": "Apple HEIF image file",
      "id": "heif-00-00-00-18-66-74-79-70-68-65-69-63-00-00-00-00",
      "url": "https://referencesource.org/file-format-signatures/heif-00-00-00-18-66-74-79-70-68-65-69-63-00-00-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "00 00 00 18 66 74 79 70 68 65 69 63 00 00 00 00 | \u2400\u2400\u2400ftypheic\u2400\u2400\u2400\u2400 | 0 | heif | Apple HEIF image file [ 102 ] |"
    },
    {
      "hex_signature": "3F 5F",
      "offset": "0",
      "extension": "hlp",
      "format": "Windows 3.x/95/98 Help file",
      "id": "hlp-3f-5f",
      "url": "https://referencesource.org/file-format-signatures/hlp-3f-5f/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Windows 3.x/95/98 Help file"
    },
    {
      "hex_signature": "4B 43 4D 53",
      "offset": "4B",
      "extension": "icm",
      "format": "ICC profile",
      "id": "icm-4b-43-4d-53",
      "url": "https://referencesource.org/file-format-signatures/icm-4b-43-4d-53/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ICC profile"
    },
    {
      "hex_signature": "69 63 6e 73",
      "offset": "0",
      "extension": "icns",
      "format": "Apple Icon Image format",
      "id": "icns-69-63-6e-73",
      "url": "https://referencesource.org/file-format-signatures/icns-69-63-6e-73/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Apple Icon Image format"
    },
    {
      "hex_signature": "00 00 01 00",
      "offset": "0",
      "extension": "ico",
      "format": "Computer icon encoded in ICO file format",
      "id": "ico-00-00-01-00",
      "url": "https://referencesource.org/file-format-signatures/ico-00-00-01-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Computer icon encoded in <https://en.wikipedia.org/wiki/ICO_(file_format)> ICO file format [ 8 ]"
    },
    {
      "hex_signature": "00 01 00 00",
      "offset": "0",
      "extension": "ico",
      "format": "Computer icon encoded in ICO file format",
      "id": "ico-00-01-00-00",
      "url": "https://referencesource.org/file-format-signatures/ico-00-01-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Computer icon encoded in <https://en.wikipedia.org/wiki/ICO_(file_format)> ICO file format [ 8 ]"
    },
    {
      "hex_signature": "5B 5A 6F 6E 65 54 72 61 6E 73 66 65 72 5D",
      "offset": "0",
      "extension": "Identifier",
      "format": "Microsoft Zone Identifier for URL Security Zones",
      "id": "identifier-5b-5a-6f-6e-65-54-72-61-6e-73-66-65-72-5d",
      "url": "https://referencesource.org/file-format-signatures/identifier-5b-5a-6f-6e-65-54-72-61-6e-73-66-65-72-5d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Microsoft Zone Identifier for URL Security Zones [ 76 ] [ 77 ]"
    },
    {
      "hex_signature": "49 4E 44 58",
      "offset": "0",
      "extension": "idx",
      "format": "AmiBack Amiga Backup index file",
      "id": "idx-49-4e-44-58",
      "url": "https://referencesource.org/file-format-signatures/idx-49-4e-44-58/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/AmiBack?action=edit&redlink=1> AmiBack <https://en.wikipedia.org/wiki/Amiga> Amiga <https://en.wikipedia.org/wiki/Backup> Backup index file"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? 49 4C 42 4D",
      "offset": "0 any",
      "extension": "ilbm lbm ibm iff",
      "format": "IFF ILBM Interleaved Bitmap Image",
      "id": "ilbm-lbm-ibm-iff-46-4f-52-4d-49-4c-42-4d",
      "url": "https://referencesource.org/file-format-signatures/ilbm-lbm-ibm-iff-46-4f-52-4d-49-4c-42-4d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/ILBM> Interleaved Bitmap Image"
    },
    {
      "hex_signature": "24 53 44 49 30 30 30 31",
      "offset": "0",
      "extension": "iso",
      "format": "ISO9660 CD/DVD image file",
      "id": "iso-24-53-44-49-30-30-30-31",
      "url": "https://referencesource.org/file-format-signatures/iso-24-53-44-49-30-30-30-31/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ISO9660 CD/DVD image file [ 40 ]"
    },
    {
      "hex_signature": "49 73 5A 21",
      "offset": "49",
      "extension": "isz",
      "format": "Compressed ISO image",
      "id": "isz-49-73-5a-21",
      "url": "https://referencesource.org/file-format-signatures/isz-49-73-5a-21/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "indows Virtual PC Windows 8 Virtual Hard Disk file format | 49 73 5A 21 | IsZ! | 0 | isz | Compressed <https://en.wikipedia.org/wiki/ISO_image> ISO image | 44 41 41 | DAA | 0 | daa | <https://en.wikipedia.org/wiki/Direct_Access_Archive> Direct Access Archive PowerISO | 4C 66 4C 65 | LfLe | 0 | evt | Windows <https://en.wikipedia.org/wiki/Event_Viewer> Event"
    },
    {
      "hex_signature": "2B 2F 76 38 2B 2F 76 39 2B 2F 76 2B 2B 2F 76 2F",
      "offset": "0",
      "extension": "|",
      "format": "<https://en.wikipedia.org/wiki/UTF-7> UTF-7 byte order mark for text [ 31 ] [ 30 ]",
      "id": "item-2b-2f-76-38-2b-2f-76-39-2b-2f-76-2b-2b-2f-76-2f",
      "url": "https://referencesource.org/file-format-signatures/item-2b-2f-76-38-2b-2f-76-39-2b-2f-76-2b-2b-2f-76-2f/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/UTF-7> UTF-7 byte order mark for text [ 31 ] [ 30 ]"
    },
    {
      "hex_signature": "4B 57 41 4A",
      "offset": "0",
      "extension": "??_",
      "format": "Windows 3.1x Compressed File",
      "id": "item-4b-57-41-4a",
      "url": "https://referencesource.org/file-format-signatures/item-4b-57-41-4a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "??_ | Windows 3.1x Compressed File"
    },
    {
      "hex_signature": "53 5A 44 44",
      "offset": "0",
      "extension": "??_",
      "format": "Windows 9x Compressed File",
      "id": "item-53-5a-44-44",
      "url": "https://referencesource.org/file-format-signatures/item-53-5a-44-44/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "??_ | Windows 9x Compressed File"
    },
    {
      "hex_signature": "53 5A 44 44 88 F0 27 33",
      "offset": "0",
      "extension": "?? _",
      "format": "Microsoft compressed file in Quantum format",
      "id": "item-53-5a-44-44-88-f0-27-33",
      "url": "https://referencesource.org/file-format-signatures/item-53-5a-44-44-88-f0-27-33/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "SZDD\u02c6\u00f0'3 | 0 | ?? _ | Microsoft compressed file in <https://en.wikipedia.org/wiki/Data_compression> Quantum format, used prior to Windows XP. File can be decompressed using Extract.exe or Expand.exe distributed with earlier versions of Windows. After compression, the last character of the original filename extension is replaced with an <https://en.wikipedia.org/wiki/Underscore> underscore , e.g. \u2018Setup.exe\u2019 becomes \u2018Setup.ex_\u2019. |"
    },
    {
      "hex_signature": "CE FA ED FE",
      "offset": "0",
      "extension": "|",
      "format": "Mach-O binary (reverse byte ordering scheme, 32-bit) [ 33 ]",
      "id": "item-ce-fa-ed-fe",
      "url": "https://referencesource.org/file-format-signatures/item-ce-fa-ed-fe/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Mach-O binary (reverse byte ordering scheme, 32-bit) [ 33 ]"
    },
    {
      "hex_signature": "CF FA ED FE",
      "offset": "0",
      "extension": "|",
      "format": "Mach-O binary (reverse byte ordering scheme, 64-bit) [ 33 ]",
      "id": "item-cf-fa-ed-fe",
      "url": "https://referencesource.org/file-format-signatures/item-cf-fa-ed-fe/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ch-O binary (reverse byte ordering scheme, 32-bit) [ 33 ] | CF FA ED FE | \u00cf\u00fa\u00ed\u00fe | 0 | | Mach-O binary (reverse byte ordering scheme, 64-bit) [ 33 ] | 25 21 50 53 | %!PS | 0 | ps | <https://en.wikipedia.org/wiki/PostScript> PostScript document | 25 21 50 53 2D 41 64 6F 62 65 2D 33 2E 30 20 45 50 53 46 2D 33 2E 30 | %!PS-Adobe-3.0 ESPF-3.0 | 0 | eps epsf | <htt"
    },
    {
      "hex_signature": "DD 73 66 73",
      "offset": "0",
      "extension": "|",
      "format": "<https://en.wikipedia.org/wiki/UTF-EBCDIC> UTF-EBCDIC byte order mark for text [ 31 ] [ 30 ]",
      "id": "item-dd-73-66-73",
      "url": "https://referencesource.org/file-format-signatures/item-dd-73-66-73/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/UTF-EBCDIC> UTF-EBCDIC byte order mark for text [ 31 ] [ 30 ]"
    },
    {
      "hex_signature": "FE ED FA CE",
      "offset": "0 0x1000",
      "extension": "|",
      "format": "<https://en.wikipedia.org/wiki/Mach-O> Mach-O binary (32-bit)",
      "id": "item-fe-ed-fa-ce",
      "url": "https://referencesource.org/file-format-signatures/item-fe-ed-fa-ce/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Mach-O> Mach-O binary (32-bit)"
    },
    {
      "hex_signature": "FE ED FA CF",
      "offset": "0 0x1000",
      "extension": "|",
      "format": "Mach-O binary (64-bit)",
      "id": "item-fe-ed-fa-cf",
      "url": "https://referencesource.org/file-format-signatures/item-fe-ed-fa-cf/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Mach-O binary (64-bit)"
    },
    {
      "hex_signature": "FE ED FE ED",
      "offset": "0",
      "extension": "|",
      "format": "JKS Javakey Store [ 32 ]",
      "id": "item-fe-ed-fe-ed",
      "url": "https://referencesource.org/file-format-signatures/item-fe-ed-fe-ed/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "JKS Javakey Store [ 32 ]"
    },
    {
      "hex_signature": "4c 50 4b 53 48 48 52 48",
      "offset": "0",
      "extension": "journal",
      "format": "journald log file",
      "id": "journal-4c-50-4b-53-48-48-52-48",
      "url": "https://referencesource.org/file-format-signatures/journal-4c-50-4b-53-48-48-52-48/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "4C 50 4B 53 48 48 52 48 | LPKSHHRH | 0 | journal | <https://en.wikipedia.org/wiki/Journald> journald log file [ 99 ] |"
    },
    {
      "hex_signature": "00 00 00 0C 6A 50 20 20 0D 0A 87 0A",
      "offset": "0",
      "extension": "jp2 j2k jpf jpm jpg2 j2c jpc jpx mj2",
      "format": "JPEG 2000 format",
      "id": "jp2-j2k-jpf-jpm-jpg2-j2c-jpc-jpx-mj2-00-00-00-0c-6a-50-20-20-0d-0a-87-0a",
      "url": "https://referencesource.org/file-format-signatures/jp2-j2k-jpf-jpm-jpg2-j2c-jpc-jpx-mj2-00-00-00-0c-6a-50-20-20-0d-0a-87-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/JPEG_2000> JPEG 2000 format [ 18 ]"
    },
    {
      "hex_signature": "FF D8 FF E0 00 10 4A 46 49 46 00 01",
      "offset": "0",
      "extension": "jpg",
      "format": "JPEG raw or in the JFIF or Exif file format",
      "id": "jpg-ff-d8-ff-e0-00-10-4a-46-49-46-00-01",
      "url": "https://referencesource.org/file-format-signatures/jpg-ff-d8-ff-e0-00-10-4a-46-49-46-00-01/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/JPEG> JPEG raw or in the <https://en.wikipedia.org/wiki/JFIF> JFIF or <https://en.wikipedia.org/wiki/Exif> Exif file format [ 17 ]"
    },
    {
      "hex_signature": "FF D8 FF DB",
      "offset": "0",
      "extension": "jpg jpeg",
      "format": "JPEG raw or in the JFIF or Exif file format",
      "id": "jpg-jpeg-ff-d8-ff-db",
      "url": "https://referencesource.org/file-format-signatures/jpg-jpeg-ff-d8-ff-db/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/JPEG> JPEG raw or in the <https://en.wikipedia.org/wiki/JFIF> JFIF or <https://en.wikipedia.org/wiki/Exif> Exif file format [ 17 ]"
    },
    {
      "hex_signature": "00 00 00 0C 4A 58 4C 20 0D 0A 87 0A",
      "offset": "0",
      "extension": "jxl",
      "format": "Image encoded in the JPEG XL format",
      "id": "jxl-00-00-00-0c-4a-58-4c-20-0d-0a-87-0a",
      "url": "https://referencesource.org/file-format-signatures/jxl-00-00-00-0c-4a-58-4c-20-0d-0a-87-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "45 52 | BLENDER | 0 | blend | Blender File Format [ 90 ] | 00 00 00 0C 4A 58 4C 20 0D 0A 87 0A | \u2400\u2400\u2400\u240cJXL\u2420\u240d\u240a\u2021\u240a | 0 | jxl | Image encoded in the <https://en.wikipedia.org/wiki/JPEG_XL> JPEG XL format [ 91 ] | FF 0A | \u00ff\u240a | 00 01 00 00 00 | \u2400\u2401\u2400\u2400\u2400 | 0 | ttf tte dfont | <https://en.wikipedia.org/wiki/TrueType> TrueType font | 4F 54 54 4F | OTTO | 0 | otf | <https"
    },
    {
      "hex_signature": "37 48 03 02 00 00 00 00 58 35 30 39 4B 45 59",
      "offset": "0",
      "extension": "kdb",
      "format": "KDB file",
      "id": "kdb-37-48-03-02-00-00-00-00-58-35-30-39-4b-45-59",
      "url": "https://referencesource.org/file-format-signatures/kdb-37-48-03-02-00-00-00-00-58-35-30-39-4b-45-59/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "02 00 00 00 | \u2420\u2402\u2401b\u237d\u241e\u00ab\u2407\u2402\u2400\u2400\u2400 | 0 | tde | Tableau Datasource | 37 48 03 02 00 00 00 00 58 35 30 39 4B 45 59 | 7H\u2403\u2402\u2400\u2400\u2400\u2400X509KEY | 0 | kdb | KDB file | 85 ?? ?? 03 | \u2026 ?? \u2403 | 0 | pgp | PGP file [ 78 ] | 28 B5 2F FD | (\u00b5/\u00fd | 0 | zst | <https://en.wikipedia.org/wiki/Zstandard> Zstandard compress [ 79 ] [ 80 ] | 52 53 56 4B 44 41 54 41 | RSVKDATA | 0 | rs | QuickZip"
    },
    {
      "hex_signature": "2D 2D 2D 2D 2D 42 45 47 49 4E 20 44 53 41 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D",
      "offset": "0",
      "extension": "key",
      "format": "PEM encoded X.509 PKCS#1 DSA private key",
      "id": "key-2d-2d-2d-2d-2d-42-45-47-49-4e-20-44-53-41-20-50-52-49-56-41-54-45-20-4b-45-59-2d",
      "url": "https://referencesource.org/file-format-signatures/key-2d-2d-2d-2d-2d-42-45-47-49-4e-20-44-53-41-20-50-52-49-56-41-54-45-20-4b-45-59-2d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "-----BEGIN DSA PRIVATE KEY----- | 0 | key pem | PEM encoded X.509 PKCS#1 <https://en.wikipedia.org/wiki/Digital_Signature_Algorithm> DSA private key"
    },
    {
      "hex_signature": "2D 2D 2D 2D 2D 42 45 47 49 4E 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D",
      "offset": "0",
      "extension": "key",
      "format": "PEM encoded X.509 PKCS#8 private key",
      "id": "key-2d-2d-2d-2d-2d-42-45-47-49-4e-20-50-52-49-56-41-54-45-20-4b-45-59-2d-2d-2d-2d-2d",
      "url": "https://referencesource.org/file-format-signatures/key-2d-2d-2d-2d-2d-42-45-47-49-4e-20-50-52-49-56-41-54-45-20-4b-45-59-2d-2d-2d-2d-2d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "-----BEGIN PRIVATE KEY----- | 0 | key pem | PEM encoded X.509 PKCS#8 private key"
    },
    {
      "hex_signature": "2D 2D 2D 2D 2D 42 45 47 49 4E 20 52 53 41 20 50 52 49 56 41 54 45 20 4B 45 59 2D 2D 2D 2D 2D",
      "offset": "0",
      "extension": "key",
      "format": "PEM encoded X.509 PKCS#1 RSA private key",
      "id": "key-2d-2d-2d-2d-2d-42-45-47-49-4e-20-52-53-41-20-50-52-49-56-41-54-45-20-4b-45-59-2d",
      "url": "https://referencesource.org/file-format-signatures/key-2d-2d-2d-2d-2d-42-45-47-49-4e-20-52-53-41-20-50-52-49-56-41-54-45-20-4b-45-59-2d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "-----BEGIN RSA PRIVATE KEY----- | 0 | key pem | PEM encoded X.509 PKCS#1 <https://en.wikipedia.org/wiki/RSA_(cryptosystem)> RSA private key"
    },
    {
      "hex_signature": "1B 4C 75 61",
      "offset": "0",
      "extension": "luac",
      "format": "Lua bytecode",
      "id": "luac-1b-4c-75-61",
      "url": "https://referencesource.org/file-format-signatures/luac-1b-4c-75-61/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Lua_(programming_language)> Lua <https://en.wikipedia.org/wiki/Bytecode> bytecode [ 74 ]"
    },
    {
      "hex_signature": "4C 5A 49 50",
      "offset": "0",
      "extension": "lz",
      "format": "lzip compressed file",
      "id": "lz-4c-5a-49-50",
      "url": "https://referencesource.org/file-format-signatures/lz-4c-5a-49-50/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "LZIP | 0 | lz | <https://en.wikipedia.org/wiki/Lzip> lzip compressed file [ 20 ]"
    },
    {
      "hex_signature": "04 22 4D 18",
      "offset": "0",
      "extension": "lz4",
      "format": "LZ4 Frame Format",
      "id": "lz4-04-22-4d-18",
      "url": "https://referencesource.org/file-format-signatures/lz4-04-22-4d-18/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "wiki/Lempel\u2013Ziv\u2013Markov_chain_algorithm> LZMA2 compression | 04 22 4D 18 | \u2404\"M\u2418 | 0 | lz4 | <https://en.wikipedia.org/wiki/LZ4_(compression_algorithm)> LZ4 Frame Format [ 62 ] Remark: LZ4 block format does not offer any magic bytes. [ 63 ] | 4D 53 43 46 | MSCF | 0 | cab | Microsoft Cabinet file | 53 5A 44 44 88 F0 27 33 | SZDD\u02c6\u00f0'3 | 0 | ?? _ | Microsoft compr"
    },
    {
      "hex_signature": "2D 6C 68 30 2D",
      "offset": "2",
      "extension": "lzh",
      "format": "Lempel Ziv Huffman archive file Method 0 (No compression)",
      "id": "lzh-2d-6c-68-30-2d",
      "url": "https://referencesource.org/file-format-signatures/lzh-2d-6c-68-30-2d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/LHA_(file_format)> Lempel Ziv Huffman archive file Method 0 (No compression)"
    },
    {
      "hex_signature": "2D 6C 68 35 2D",
      "offset": "2",
      "extension": "lzh",
      "format": "Lempel Ziv Huffman archive file Method 5 (8 KiB sliding window)",
      "id": "lzh-2d-6c-68-35-2d",
      "url": "https://referencesource.org/file-format-signatures/lzh-2d-6c-68-35-2d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/LHA_(file_format)> Lempel Ziv Huffman archive file Method 5 (8 KiB sliding window)"
    },
    {
      "hex_signature": "CF FA ED FE",
      "offset": "0",
      "extension": "macho",
      "format": "Mach-O binary (reverse byte ordering scheme, 64-bit)",
      "id": "macho-cf-fa-ed-fe",
      "url": "https://referencesource.org/file-format-signatures/macho-cf-fa-ed-fe/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Mach-O binary (reverse byte ordering scheme, 64-bit) [ 33 ]"
    },
    {
      "hex_signature": "6D 61 69 6E 2E 62 73",
      "offset": "0",
      "extension": "mgw",
      "format": "Nintendo Game & Watch image file",
      "id": "mgw-6d-61-69-6e-2e-62-73",
      "url": "https://referencesource.org/file-format-signatures/mgw-6d-61-69-6e-2e-62-73/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "44 30 30 31 | CD001 | 0x5EAC9 | cdi | CD-i CD image file | 6D 61 69 6E 2E 62 73 | main.bs | 0 | mgw | Nintendo <https://en.wikipedia.org/wiki/Game_&_Watch> Game & Watch image file | 4E 45 53 | NES | 0 | nes | <https://en.wikipedia.org/wiki/Nintendo_Entertainment_System> Nintendo Entertainment System image file | A0 32 41 A0 A0 A0 | 2A | 0x165A4 | d64 | <htt"
    },
    {
      "hex_signature": "4D 54 68 64",
      "offset": "0",
      "extension": "mid midi",
      "format": "MIDI sound file [ 43 ]",
      "id": "mid-midi-4d-54-68-64",
      "url": "https://referencesource.org/file-format-signatures/mid-midi-4d-54-68-64/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "mid midi | <https://en.wikipedia.org/wiki/MIDI#Standard_MIDI_files> MIDI sound file [ 43 ]"
    },
    {
      "hex_signature": "1A 45 DF A3",
      "offset": "0",
      "extension": "mkv mka mks mk3d webm",
      "format": "Matroska media container",
      "id": "mkv-mka-mks-mk3d-webm-1a-45-df-a3",
      "url": "https://referencesource.org/file-format-signatures/mkv-mka-mks-mk3d-webm-1a-45-df-a3/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ki/Free_Lossless_Image_Format> Free Lossless Image Format | 1A 45 DF A3 | \u241aE\u00df\u00a3 | 0 | mkv mka mks mk3d webm | <https://en.wikipedia.org/wiki/Matroska> Matroska media container, including <https://en.wikipedia.org/wiki/WebM> WebM | 4D 49 4C 20 | MIL\u2420 | 0 | stg | \"SEAN : Session Analysis\" Training file. Also used in compatible software \"Rpw : <https://en.wikipe"
    },
    {
      "hex_signature": "4D 4C 56 49",
      "offset": "0",
      "extension": "MLV",
      "format": "Magic Lantern Video file",
      "id": "mlv-4d-4c-56-49",
      "url": "https://referencesource.org/file-format-signatures/mlv-4d-4c-56-49/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "MLVI | 0 | MLV | <https://en.wikipedia.org/wiki/Magic_Lantern_(firmware)> Magic Lantern Video file [ 59 ] |"
    },
    {
      "hex_signature": "4E 45 53",
      "offset": "0",
      "extension": "nes",
      "format": "Nintendo Entertainment System image file",
      "id": "nes-4e-45-53",
      "url": "https://referencesource.org/file-format-signatures/nes-4e-45-53/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "NES | 0 | nes | <https://en.wikipedia.org/wiki/Nintendo_Entertainment_System> Nintendo Entertainment System image file"
    },
    {
      "hex_signature": "4E 45 53 1A",
      "offset": "0",
      "extension": "nes",
      "format": "Nintendo Entertainment System ROM file",
      "id": "nes-4e-45-53-1a",
      "url": "https://referencesource.org/file-format-signatures/nes-4e-45-53-1a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "NES\u241a | 0 | nes | Nintendo Entertainment System ROM file [ 56 ] |"
    },
    {
      "hex_signature": "7F 45 4C 46",
      "offset": "0",
      "extension": "none, .axf, .bin, .elf, .o, .out, .prx, .puff, .ko, .mod, .so",
      "format": "Executable and Linkable Format",
      "id": "none-axf-bin-elf-o-out-prx-puff-ko-mod-so-7f-45-4c-46",
      "url": "https://referencesource.org/file-format-signatures/none-axf-bin-elf-o-out-prx-puff-ko-mod-so-7f-45-4c-46/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Executable_and_Linkable_Format> Executable and Linkable Format [ 25 ]"
    },
    {
      "hex_signature": "4E 55 52 55 49 4D 47 4E 55 52 55 50 41 4C",
      "offset": "0",
      "extension": "nui nup",
      "format": "nuru ASCII/ANSI image and palette files",
      "id": "nui-nup-4e-55-52-55-49-4d-47-4e-55-52-55-50-41-4c",
      "url": "https://referencesource.org/file-format-signatures/nui-nup-4e-55-52-55-49-4d-47-4e-55-52-55-50-41-4c/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "nuru ASCII/ANSI image and palette files [ 15 ]"
    },
    {
      "hex_signature": "4F 41 52 ??",
      "offset": "0",
      "extension": "oar",
      "format": "OAR file archive format",
      "id": "oar-4f-41-52",
      "url": "https://referencesource.org/file-format-signatures/oar-4f-41-52/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "OAR ? | 0 | oar | OAR file archive format, where ?? is the format version. |"
    },
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      "hex_signature": "4F 52 43",
      "offset": "0",
      "extension": "orc",
      "format": "Apache ORC (Optimized Row Columnar) file format",
      "id": "orc-4f-52-43",
      "url": "https://referencesource.org/file-format-signatures/orc-4f-52-43/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Apache_ORC> Apache ORC (Optimized Row Columnar) file format"
    },
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      "hex_signature": "4F 54 54 4F",
      "offset": "4F",
      "extension": "otf",
      "format": "OpenType font",
      "id": "otf-4f-54-54-4f",
      "url": "https://referencesource.org/file-format-signatures/otf-4f-54-54-4f/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "OpenType font"
    },
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      "hex_signature": "43 36 34 46 69 6c 65 00",
      "offset": "0",
      "extension": "p00",
      "format": "Commodore 64 binary file",
      "id": "p00-43-36-34-46-69-6c-65-00",
      "url": "https://referencesource.org/file-format-signatures/p00-43-36-34-46-69-6c-65-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "43 36 34 46 69 6c 65 00 | C64File | 0 | P00 (P01, P02,...) | <https://en.wikipedia.org/wiki/Commodore_64> Commodore 64 binary file (source: <https://www.salto.at/Power64/Documentation/Power64-Leggimi/AE-Formati_File.html#Section%20E.1> *.P00 format for Power64 emulator ) |"
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      "hex_signature": "65 87 78 56",
      "offset": "0",
      "extension": "p25 obt",
      "format": "PhotoCap Object Templates",
      "id": "p25-obt-65-87-78-56",
      "url": "https://referencesource.org/file-format-signatures/p25-obt-65-87-78-56/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "PhotoCap Object Templates"
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      "hex_signature": "50 41 52 31",
      "offset": "0",
      "extension": "par1",
      "format": "Apache Parquet columnar file format",
      "id": "par1-50-41-52-31",
      "url": "https://referencesource.org/file-format-signatures/par1-50-41-52-31/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Apache_Parquet> Apache Parquet columnar file format"
    },
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      "hex_signature": "50 31 0A",
      "offset": "0",
      "extension": "pbm",
      "format": "Portable bitmap ASCII",
      "id": "pbm-50-31-0a",
      "url": "https://referencesource.org/file-format-signatures/pbm-50-31-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "pbm | <https://en.wikipedia.org/wiki/Portable_bitmap> Portable bitmap ASCII"
    },
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      "hex_signature": "50 34 0A",
      "offset": "0",
      "extension": "pbm",
      "format": "Portable bitmap binary",
      "id": "pbm-50-34-0a",
      "url": "https://referencesource.org/file-format-signatures/pbm-50-34-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "pbm | <https://en.wikipedia.org/wiki/Portable_bitmap> Portable bitmap binary"
    },
    {
      "hex_signature": "78 56 34",
      "offset": "0",
      "extension": "pbt pdt pea peb pet pgt pict pjt pkt pmt",
      "format": "PhotoCap Template",
      "id": "pbt-pdt-pea-peb-pet-pgt-pict-pjt-pkt-pmt-78-56-34",
      "url": "https://referencesource.org/file-format-signatures/pbt-pdt-pea-peb-pet-pgt-pict-pjt-pkt-pmt-78-56-34/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "PhotoCap Template"
    },
    {
      "hex_signature": "55 55 AA AA",
      "offset": "0",
      "extension": "pcv",
      "format": "PhotoCap Vector",
      "id": "pcv-55-55-aa-aa",
      "url": "https://referencesource.org/file-format-signatures/pcv-55-55-aa-aa/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "PhotoCap Vector"
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      "hex_signature": "25 50 44 46 2D",
      "offset": "0",
      "extension": "pdf",
      "format": "PDF document",
      "id": "pdf-25-50-44-46-2d",
      "url": "https://referencesource.org/file-format-signatures/pdf-25-50-44-46-2d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "PDF document [ 36 ]"
    },
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      "offset": "0",
      "extension": "pgm",
      "format": "Portable Gray Map ASCII",
      "id": "pgm-50-32-0a",
      "url": "https://referencesource.org/file-format-signatures/pgm-50-32-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "pgm | <https://en.wikipedia.org/wiki/Portable_Gray_Map> Portable Gray Map ASCII"
    },
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      "offset": "0",
      "extension": "pgm",
      "format": "Portable Gray Map binary",
      "id": "pgm-50-35-0a",
      "url": "https://referencesource.org/file-format-signatures/pgm-50-35-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "pgm | <https://en.wikipedia.org/wiki/Portable_Gray_Map> Portable Gray Map binary"
    },
    {
      "hex_signature": "85 ?? ?? 03",
      "offset": "0",
      "extension": "pgp",
      "format": "PGP file",
      "id": "pgp-85-03",
      "url": "https://referencesource.org/file-format-signatures/pgp-85-03/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "PGP file [ 78 ]"
    },
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      "hex_signature": "62 70 6C 69 73 74",
      "offset": "0",
      "extension": "plist",
      "format": "Binary Property List file",
      "id": "plist-62-70-6c-69-73-74",
      "url": "https://referencesource.org/file-format-signatures/plist-62-70-6c-69-73-74/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Binary <https://en.wikipedia.org/wiki/Property_List> Property List file"
    },
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      "hex_signature": "89 50 4E 47 0D 0A 1A 0A",
      "offset": "0",
      "extension": "png",
      "format": "Image encoded in the <https://en.wikipedia.org/wiki/Portable_Network_Graphics> Portable Network Graphics format",
      "id": "png-89-50-4e-47-0d-0a-1a-0a",
      "url": "https://referencesource.org/file-format-signatures/png-89-50-4e-47-0d-0a-1a-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Image encoded in the <https://en.wikipedia.org/wiki/Portable_Network_Graphics> Portable Network Graphics format [ 26 ]"
    },
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      "hex_signature": "50 75 54 54 59 2D 55 73 65 72 2D 4B 65 79 2D 46 69 6C 65 2D 32 3A",
      "offset": "0",
      "extension": "ppk",
      "format": "<https://en.wikipedia.org/wiki/PuTTY> PuTTY private key file version 2",
      "id": "ppk-50-75-54-54-59-2d-55-73-65-72-2d-4b-65-79-2d-46-69-6c-65-2d-32-3a",
      "url": "https://referencesource.org/file-format-signatures/ppk-50-75-54-54-59-2d-55-73-65-72-2d-4b-65-79-2d-46-69-6c-65-2d-32-3a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "PuTTY-User-Key-File-2: | 0 | ppk | <https://en.wikipedia.org/wiki/PuTTY> PuTTY private key file version 2"
    },
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      "hex_signature": "50 75 54 54 59 2D 55 73 65 72 2D 4B 65 79 2D 46 69 6C 65 2D 33 3A",
      "offset": "0",
      "extension": "ppk",
      "format": "<https://en.wikipedia.org/wiki/PuTTY> PuTTY private key file version 3",
      "id": "ppk-50-75-54-54-59-2d-55-73-65-72-2d-4b-65-79-2d-46-69-6c-65-2d-33-3a",
      "url": "https://referencesource.org/file-format-signatures/ppk-50-75-54-54-59-2d-55-73-65-72-2d-4b-65-79-2d-46-69-6c-65-2d-33-3a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "PuTTY-User-Key-File-3: | 0 | ppk | <https://en.wikipedia.org/wiki/PuTTY> PuTTY private key file version 3"
    },
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      "hex_signature": "50 33 0A",
      "offset": "0",
      "extension": "ppm",
      "format": "Portable Pixmap ASCII",
      "id": "ppm-50-33-0a",
      "url": "https://referencesource.org/file-format-signatures/ppm-50-33-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ppm | <https://en.wikipedia.org/wiki/Portable_Pixmap> Portable Pixmap ASCII"
    },
    {
      "hex_signature": "50 36 0A",
      "offset": "0",
      "extension": "ppm",
      "format": "Portable Pixmap binary",
      "id": "ppm-50-36-0a",
      "url": "https://referencesource.org/file-format-signatures/ppm-50-36-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ppm | <https://en.wikipedia.org/wiki/Portable_Pixmap> Portable Pixmap binary"
    },
    {
      "hex_signature": "25 21 50 53",
      "offset": "0",
      "extension": "ps",
      "format": "PostScript document",
      "id": "ps-25-21-50-53",
      "url": "https://referencesource.org/file-format-signatures/ps-25-21-50-53/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "PostScript document"
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      "offset": "21",
      "extension": "pst",
      "format": "Microsoft Outlook Personal Storage Table file",
      "id": "pst-21-42-44-4e",
      "url": "https://referencesource.org/file-format-signatures/pst-21-42-44-4e/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ikipedia.org/wiki/Windows_Registry> Windows Registry file | 21 42 44 4E | !BDN | 0 | pst | Microsoft Outlook <https://en.wikipedia.org/wiki/Personal_Storage_Table> Personal Storage Table file | 44 52 41 43 4F | DRACO | 0 | drc | 3D model compressed with Google Draco [ 88 ] | 47 52 49 42 | GRIB | 0 | grib grib2 | Gridded data (commonly weather observations or"
    },
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      "offset": "0",
      "extension": "pub",
      "format": "<https://en.wikipedia.org/wiki/OpenSSH> OpenSSH public key file",
      "id": "pub-2d-2d-2d-2d-2d-42-45-47-49-4e-20-53-53-48-32-20-4b-45-59-2d-2d-2d-2d-2d",
      "url": "https://referencesource.org/file-format-signatures/pub-2d-2d-2d-2d-2d-42-45-47-49-4e-20-53-53-48-32-20-4b-45-59-2d-2d-2d-2d-2d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "-----BEGIN SSH2 PUBLIC KEY----- | 0 | pub | <https://en.wikipedia.org/wiki/OpenSSH> OpenSSH public key file"
    },
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      "offset": "0",
      "extension": "qcow",
      "format": "qcow file format",
      "id": "qcow-51-46-49",
      "url": "https://referencesource.org/file-format-signatures/qcow-51-46-49/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "qcow | <https://en.wikipedia.org/wiki/Qcow> qcow file format"
    },
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      "hex_signature": "52 49 46 46 ?? ?? ?? ?? 51 4C 43 4D",
      "offset": "0",
      "extension": "qcp",
      "format": "Qualcomm PureVoice file format",
      "id": "qcp-52-49-46-46-51-4c-43-4d",
      "url": "https://referencesource.org/file-format-signatures/qcp-52-49-46-46-51-4c-43-4d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "qcp | <https://en.wikipedia.org/wiki/Qualcomm_PureVoice> Qualcomm PureVoice file format"
    },
    {
      "hex_signature": "FF 4F FF 51",
      "offset": "0",
      "extension": "qoif",
      "format": "QOI - The \u201cQuite OK Image Format\u201d",
      "id": "qoif-ff-4f-ff-51",
      "url": "https://referencesource.org/file-format-signatures/qoif-ff-4f-ff-51/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/QOI_(image_format)> QOI - The \u201cQuite OK Image Format\u201d [ 19 ]"
    },
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      "offset": "0",
      "extension": "rar",
      "format": "Roshal ARchive compressed archive v1.50 onwards",
      "id": "rar-52-61-72-21-1a-07-00",
      "url": "https://referencesource.org/file-format-signatures/rar-52-61-72-21-1a-07-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/RAR_(file_format)> Roshal ARchive compressed archive v1.50 onwards [ 23 ]"
    },
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      "hex_signature": "52 61 72 21 1A 07 01 00",
      "offset": "0",
      "extension": "rar",
      "format": "Roshal ARchive compressed archive v5.00 onwards",
      "id": "rar-52-61-72-21-1a-07-01-00",
      "url": "https://referencesource.org/file-format-signatures/rar-52-61-72-21-1a-07-01-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/RAR_(file_format)> Roshal ARchive compressed archive v5.00 onwards [ 24 ]"
    },
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      "offset": "0",
      "extension": "rbxl",
      "format": "Roblox place file",
      "id": "rbxl-3c-72-6f-62-6c-6f-78-21",
      "url": "https://referencesource.org/file-format-signatures/rbxl-3c-72-6f-62-6c-6f-78-21/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Roblox place file [ 73 ]"
    },
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      "offset": "0",
      "extension": "rs",
      "format": "QuickZip rs compressed archive",
      "id": "rs-52-53-56-4b-44-41-54-41",
      "url": "https://referencesource.org/file-format-signatures/rs-52-53-56-4b-44-41-54-41/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "QuickZip rs compressed archive [ 81 ] [ 82 ]"
    },
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      "offset": "73",
      "extension": "sdb",
      "format": "Windows customized database",
      "id": "sdb-73-64-62-66",
      "url": "https://referencesource.org/file-format-signatures/sdb-73-64-62-66/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Windows customized database"
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      "hex_signature": "53 45 51 36",
      "offset": "0",
      "extension": "seq6",
      "format": "RCFile columnar file format",
      "id": "seq6-53-45-51-36",
      "url": "https://referencesource.org/file-format-signatures/seq6-53-45-51-36/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/RCFile> RCFile columnar file format"
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    {
      "hex_signature": "21 2D 31 53 4C 4F 42 1F",
      "offset": "21",
      "extension": "slob",
      "format": "Slob (sorted list of Object storages ) is a read-only, compressed data store with dictionary-like interface",
      "id": "slob-21-2d-31-53-4c-4f-42-1f",
      "url": "https://referencesource.org/file-format-signatures/slob-21-2d-31-53-4c-4f-42-1f/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "/wiki/Windows_Imaging_Format> Windows Imaging Format file | 21 2D 31 53 4C 4F 42 1F | !-1SLOB\u241f | 0 | slob | Slob (sorted list of <https://en.wikipedia.org/wiki/Object_storage> Object storages ) is a read-only, compressed data store with dictionary-like interface [ 94 ] | AC ED | \u00ac\u00ed | 0 | | Serialized Java Data [ 95 ] | 43 72 65 61 74 69 76 65 20 56 6F 69 63"
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      "offset": "0",
      "extension": "sml",
      "format": "Smile file",
      "id": "sml-3a-29-0a",
      "url": "https://referencesource.org/file-format-signatures/sml-3a-29-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Smile_(data_interchange_format)> Smile file"
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    {
      "hex_signature": "53 4D 53 4E 46 32 30 30",
      "offset": "0",
      "extension": "smsnf200",
      "format": "SmartSniff Packets File",
      "id": "smsnf200-53-4d-53-4e-46-32-30-30",
      "url": "https://referencesource.org/file-format-signatures/smsnf200-53-4d-53-4e-46-32-30-30/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "SMSNF200 | 0 | ssp | SmartSniff Packets File [ 22 ]"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? 53 4D 55 53",
      "offset": "0",
      "extension": "smus",
      "format": "Simple Musical Score",
      "id": "smus-46-4f-52-4d-53-4d-55-53",
      "url": "https://referencesource.org/file-format-signatures/smus-46-4f-52-4d-53-4d-55-53/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "FORM ???? SMUS | 0 any | smus smu mus iff | <https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/IFF_Simple_Musical_Score?action=edit&redlink=1> Simple Musical Score"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? SMUS",
      "offset": "0 any",
      "extension": "smus smu mus iff",
      "format": "IFF Formatted Text",
      "id": "smus-smu-mus-iff-46-4f-52-4d-smus",
      "url": "https://referencesource.org/file-format-signatures/smus-smu-mus-iff-46-4f-52-4d-smus/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/Formatted_text> Formatted Text"
    },
    {
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      "offset": "0",
      "extension": "stg",
      "format": "\"SEAN : Session Analysis\" Training file",
      "id": "stg-4d-49-4c-20",
      "url": "https://referencesource.org/file-format-signatures/stg-4d-49-4c-20/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "MIL\u2420 | 0 | stg | \"SEAN : Session Analysis\" Training file. Also used in compatible software \"Rpw : <https://en.wikipedia.org/wiki/Rowperfect> Rowperfect for Windows\" and \"RP3W : ROWPERFECT3 for Windows\"."
    },
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      "offset": "0",
      "extension": "sys",
      "format": "Crowdstrike Channel File",
      "id": "sys-aa-aa-aa-aa",
      "url": "https://referencesource.org/file-format-signatures/sys-aa-aa-aa-aa/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "aa aa aa aa | \u00aa\u00aa\u00aa\u00aa | 0 | sys | <https://en.wikipedia.org/wiki/Crowdstrike> Crowdstrike Channel File |"
    },
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      "offset": "0",
      "extension": "t64",
      "format": "Commodore 64 tape image file",
      "id": "t64-43-36-34-20-74-61-70-65-20-69-6d-61-67-65-20-66-69-6c-65",
      "url": "https://referencesource.org/file-format-signatures/t64-43-36-34-20-74-61-70-65-20-69-6d-61-67-65-20-66-69-6c-65/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "t64 | <https://en.wikipedia.org/wiki/Commodore_64> Commodore 64 tape image"
    },
    {
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      "offset": "257",
      "extension": "tar",
      "format": "tar archive",
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      "url": "https://referencesource.org/file-format-signatures/tar-75-73-74-61-72-00-30-30-75-73-74-61-72-20-20-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "ustar\u240000 ustar\u2420\u2420\u2400 | 257 | tar | <https://en.wikipedia.org/wiki/Tar_(computing)> tar archive [ 57 ] |"
    },
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      "format": "Tableau Datasource",
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      "url": "https://referencesource.org/file-format-signatures/tde-20-02-01-62-a0-1e-ab-07-02-00-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Tableau Datasource"
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      "hex_signature": "54 44 45 46",
      "offset": "0",
      "extension": "tdf",
      "format": "Telegram Desktop Encrypted File",
      "id": "tdf-54-44-45-46",
      "url": "https://referencesource.org/file-format-signatures/tdf-54-44-45-46/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Telegram Desktop Encrypted File"
    },
    {
      "hex_signature": "49 49 2A 00",
      "offset": "0",
      "extension": "tif tiff",
      "format": "Tagged Image File Format (TIFF)",
      "id": "tif-tiff-49-49-2a-00",
      "url": "https://referencesource.org/file-format-signatures/tif-tiff-49-49-2a-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Tagged_Image_File_Format> Tagged Image File Format (TIFF) [ 10 ]"
    },
    {
      "hex_signature": "49 49 2B 00",
      "offset": "0",
      "extension": "tif tiff",
      "format": "BigTIFF",
      "id": "tif-tiff-49-49-2b-00",
      "url": "https://referencesource.org/file-format-signatures/tif-tiff-49-49-2b-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "BigTIFF [ 11 ]"
    },
    {
      "hex_signature": "4D 4D 00 2A",
      "offset": "0",
      "extension": "tif tiff",
      "format": "Tagged Image File Format (TIFF)",
      "id": "tif-tiff-4d-4d-00-2a",
      "url": "https://referencesource.org/file-format-signatures/tif-tiff-4d-4d-00-2a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Tagged_Image_File_Format> Tagged Image File Format (TIFF) [ 10 ]"
    },
    {
      "hex_signature": "4D 4D 00 2B",
      "offset": "0",
      "extension": "tif tiff",
      "format": "BigTIFF",
      "id": "tif-tiff-4d-4d-00-2b",
      "url": "https://referencesource.org/file-format-signatures/tif-tiff-4d-4d-00-2b/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "BigTIFF [ 11 ]"
    },
    {
      "hex_signature": "74 6F 78 33",
      "offset": "0",
      "extension": "tox",
      "format": "Open source portable voxel file",
      "id": "tox-74-6f-78-33",
      "url": "https://referencesource.org/file-format-signatures/tox-74-6f-78-33/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "tox3 | 0 | tox | Open source portable voxel file [ 58 ] |"
    },
    {
      "hex_signature": "FF 0A",
      "offset": "FF",
      "extension": "ttf tte dfont",
      "format": "TrueType font",
      "id": "ttf-tte-dfont-ff-0a",
      "url": "https://referencesource.org/file-format-signatures/ttf-tte-dfont-ff-0a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "TrueType font"
    },
    {
      "hex_signature": "00 00 FE FF",
      "offset": "0",
      "extension": "txt others",
      "format": "<https://en.wikipedia.org/wiki/UTF-32BE> UTF-32BE byte order mark for text [ 28 ] [ 30 ]",
      "id": "txt-others-00-00-fe-ff",
      "url": "https://referencesource.org/file-format-signatures/txt-others-00-00-fe-ff/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/UTF-32BE> UTF-32BE byte order mark for text [ 28 ] [ 30 ]"
    },
    {
      "hex_signature": "0E FE FF",
      "offset": "0",
      "extension": "txt others",
      "format": "<https://en.wikipedia.org/wiki/Standard_Compression_Scheme_for_Unicode> SCSU byte order mark for text [ 31 ] [ 30 ]",
      "id": "txt-others-0e-fe-ff",
      "url": "https://referencesource.org/file-format-signatures/txt-others-0e-fe-ff/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Standard_Compression_Scheme_for_Unicode> SCSU byte order mark for text [ 31 ] [ 30 ]"
    },
    {
      "hex_signature": "EF BB BF",
      "offset": "0",
      "extension": "txt others",
      "format": "<https://en.wikipedia.org/wiki/UTF-8> UTF-8 <https://en.wikipedia.org/wiki/Byte_order_mark> byte order mark , commonly seen in text files. [ 28 ] [ 29 ] [ 30 ]",
      "id": "txt-others-ef-bb-bf",
      "url": "https://referencesource.org/file-format-signatures/txt-others-ef-bb-bf/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/UTF-8> UTF-8 <https://en.wikipedia.org/wiki/Byte_order_mark> byte order mark , commonly seen in text files. [ 28 ] [ 29 ] [ 30 ]"
    },
    {
      "hex_signature": "FE FF",
      "offset": "0",
      "extension": "txt others",
      "format": "<https://en.wikipedia.org/wiki/UTF-16BE> UTF-16BE byte order mark, commonly seen in text files. [ 28 ] [ 29 ] [ 30 ]",
      "id": "txt-others-fe-ff",
      "url": "https://referencesource.org/file-format-signatures/txt-others-fe-ff/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/UTF-16BE> UTF-16BE byte order mark, commonly seen in text files. [ 28 ] [ 29 ] [ 30 ]"
    },
    {
      "hex_signature": "FF FE",
      "offset": "0",
      "extension": "txt others",
      "format": "<https://en.wikipedia.org/wiki/UTF-16LE> UTF-16LE byte order mark, commonly seen in text files. [ 28 ] [ 29 ] [ 30 ]",
      "id": "txt-others-ff-fe",
      "url": "https://referencesource.org/file-format-signatures/txt-others-ff-fe/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/UTF-16LE> UTF-16LE byte order mark, commonly seen in text files. [ 28 ] [ 29 ] [ 30 ]"
    },
    {
      "hex_signature": "FF FE 00 00",
      "offset": "0",
      "extension": "txt others",
      "format": "<https://en.wikipedia.org/wiki/UTF-32LE> UTF-32LE byte order mark for text [ 28 ] [ 30 ]",
      "id": "txt-others-ff-fe-00-00",
      "url": "https://referencesource.org/file-format-signatures/txt-others-ff-fe-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/UTF-32LE> UTF-32LE byte order mark for text [ 28 ] [ 30 ]"
    },
    {
      "hex_signature": "8c 0a 00",
      "offset": "0",
      "extension": "ucas",
      "format": "Unreal Engine Compressed Asset Storage file",
      "id": "ucas-8c-0a-00",
      "url": "https://referencesource.org/file-format-signatures/ucas-8c-0a-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "8C 0A 00 | \u0152.. | 0 | ucas | <https://en.wikipedia.org/wiki/Unreal_Engine> Unreal Engine Compressed Asset Storage file |"
    },
    {
      "hex_signature": "2d 3d 3d 2d 2d 3d 3d 2d 2d 3d 3d 2d 2d 3d 3d 2d",
      "offset": "0",
      "extension": "utoc",
      "format": "Unreal Engine Table of Contents file",
      "id": "utoc-2d-3d-3d-2d-2d-3d-3d-2d-2d-3d-3d-2d-2d-3d-3d-2d",
      "url": "https://referencesource.org/file-format-signatures/utoc-2d-3d-3d-2d-2d-3d-3d-2d-2d-3d-3d-2d-2d-3d-3d-2d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "2D 3D 3D 2D 2D 3D 3D 2D 2D 3D 3D 2D 2D 3D 3D 2D | -==--==--==--==- | 0 | utoc | <https://en.wikipedia.org/wiki/Unreal_Engine> Unreal Engine Table of Contents file |"
    },
    {
      "hex_signature": "3C 3C 3C 20 4F 72 61 63 6C 65 20 56 4D 20 56 69 72 74 75 61 6C 42 6F 78 20 44 69 73 6B 20 49 6D 61 67 65 20 3E 3E 3E",
      "offset": "0",
      "extension": "vdi",
      "format": "VirtualBox Virtual Hard Disk file format",
      "id": "vdi-3c-3c-3c-20-4f-72-61-63-6c-65-20-56-4d-20-56-69-72-74-75-61-6c-42-6f-78-20-44-69",
      "url": "https://referencesource.org/file-format-signatures/vdi-3c-3c-3c-20-4f-72-61-63-6c-65-20-56-4d-20-56-69-72-74-75-61-6c-42-6f-78-20-44-69/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "vdi | <https://en.wikipedia.org/wiki/VirtualBox> VirtualBox Virtual Hard Disk file format"
    },
    {
      "hex_signature": "63 6F 6E 65 63 74 69 78",
      "offset": "63",
      "extension": "vhd",
      "format": "Windows Virtual PC Virtual Hard Disk file format",
      "id": "vhd-63-6f-6e-65-63-74-69-78",
      "url": "https://referencesource.org/file-format-signatures/vhd-63-6f-6e-65-63-74-69-78/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Windows Virtual PC Virtual Hard Disk file format [ 87 ]"
    },
    {
      "hex_signature": "76 68 64 78 66 69 6C 65",
      "offset": "76",
      "extension": "vhdxfile",
      "format": "Windows Virtual PC Windows 8 Virtual Hard Disk file format",
      "id": "vhdxfile-76-68-64-78-66-69-6c-65",
      "url": "https://referencesource.org/file-format-signatures/vhdxfile-76-68-64-78-66-69-6c-65/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Windows Virtual PC Windows 8 Virtual Hard Disk file format"
    },
    {
      "hex_signature": "23 20 44 69 73 6B 20 44 65 73 63 72 69 70 74 6F",
      "offset": "0",
      "extension": "vmdk",
      "format": "VMware 4 Virtual Disk description file (split disk)",
      "id": "vmdk-23-20-44-69-73-6b-20-44-65-73-63-72-69-70-74-6f",
      "url": "https://referencesource.org/file-format-signatures/vmdk-23-20-44-69-73-6b-20-44-65-73-63-72-69-70-74-6f/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "vmdk | VMware 4 Virtual Disk description file (split disk)"
    },
    {
      "hex_signature": "4B 44 4D",
      "offset": "0",
      "extension": "vmdk",
      "format": "VMDK files [ 46 ] [ 47 ]",
      "id": "vmdk-4b-44-4d",
      "url": "https://referencesource.org/file-format-signatures/vmdk-4b-44-4d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "vmdk | VMDK files [ 46 ] [ 47 ]"
    },
    {
      "hex_signature": "43 72 65 61 74 69 76 65 20 56 6F 69 63 65 20 46 69 6C 65",
      "offset": "43",
      "extension": "voc",
      "format": "Creative Voice file",
      "id": "voc-43-72-65-61-74-69-76-65-20-56-6f-69-63-65-20-46-69-6c-65",
      "url": "https://referencesource.org/file-format-signatures/voc-43-72-65-61-74-69-76-65-20-56-6f-69-63-65-20-46-69-6c-65/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Creative Voice file"
    },
    {
      "hex_signature": "34 12 AA 55",
      "offset": "0",
      "extension": "vpk",
      "format": "VPK file, used to store game data for some Source Engine games",
      "id": "vpk-34-12-aa-55",
      "url": "https://referencesource.org/file-format-signatures/vpk-34-12-aa-55/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "VPK file, used to store game data for some <https://en.wikipedia.org/wiki/Source_Engine> Source Engine games"
    },
    {
      "hex_signature": "4D 53 57 49 4D 00 00 00 D0 00 00 00 00",
      "offset": "4D",
      "extension": "wim swm esd",
      "format": "Windows Imaging Format file",
      "id": "wim-swm-esd-4d-53-57-49-4d-00-00-00-d0-00-00-00-00",
      "url": "https://referencesource.org/file-format-signatures/wim-swm-esd-4d-53-57-49-4d-00-00-00-d0-00-00-00-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Windows Imaging Format file"
    },
    {
      "hex_signature": "D7 CD C6 9A",
      "offset": "0",
      "extension": "wmf",
      "format": "Windows Metafile",
      "id": "wmf-d7-cd-c6-9a",
      "url": "https://referencesource.org/file-format-signatures/wmf-d7-cd-c6-9a/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "wmf | <https://en.wikipedia.org/wiki/Windows_Metafile> Windows Metafile"
    },
    {
      "hex_signature": "77 4F 46 46",
      "offset": "0",
      "extension": "woff",
      "format": "woff",
      "id": "woff-77-4f-46-46",
      "url": "https://referencesource.org/file-format-signatures/woff-77-4f-46-46/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "woff | 0 | woff | woff"
    },
    {
      "hex_signature": "78 61 72 21",
      "offset": "0",
      "extension": "xar",
      "format": "eXtensible ARchive format",
      "id": "xar-78-61-72-21",
      "url": "https://referencesource.org/file-format-signatures/xar-78-61-72-21/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "xar! | 0 | xar | <https://en.wikipedia.org/wiki/Xar_(archiver)> eXtensible ARchive format [ 52 ] |"
    },
    {
      "hex_signature": "67 69 6D 70 20 78 63 66",
      "offset": "0",
      "extension": "xcf",
      "format": "XCF (file format)",
      "id": "xcf-67-69-6d-70-20-78-63-66",
      "url": "https://referencesource.org/file-format-signatures/xcf-67-69-6d-70-20-78-63-66/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "xcf | <https://en.wikipedia.org/wiki/XCF_(file_format)> XCF (file format)"
    },
    {
      "hex_signature": "58 46 49 52 ?? ?? ?? ?? 33 39 56 4D (little-endian)",
      "offset": "0",
      "extension": "XFIR ???? 39VM",
      "id": "xfir-39vm-58-46-49-52-33-39-56-4d-little-endian",
      "url": "https://referencesource.org/file-format-signatures/xfir-39vm-58-46-49-52-33-39-56-4d-little-endian/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "XFIR ???? 39VM"
    },
    {
      "hex_signature": "58 46 49 52 ?? ?? ?? ?? 4D 44 47 46 (little-endian)",
      "offset": "0",
      "extension": "XFIR ???? MDGF",
      "id": "xfir-mdgf-58-46-49-52-4d-44-47-46-little-endian",
      "url": "https://referencesource.org/file-format-signatures/xfir-mdgf-58-46-49-52-4d-44-47-46-little-endian/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "XFIR ???? MDGF"
    },
    {
      "hex_signature": "58 50 44 53",
      "offset": "0",
      "extension": "xpds",
      "format": "SMPTE DPX image",
      "id": "xpds-58-50-44-53",
      "url": "https://referencesource.org/file-format-signatures/xpds-58-50-44-53/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/SMPTE> SMPTE <https://en.wikipedia.org/wiki/Digital_Picture_Exchange> DPX image"
    },
    {
      "hex_signature": "2F 2A 20 58 50 4D 20 2A 2F",
      "offset": "0",
      "extension": "xpm",
      "format": "X PixMap",
      "id": "xpm-2f-2a-20-58-50-4d-20-2a-2f",
      "url": "https://referencesource.org/file-format-signatures/xpm-2f-2a-20-58-50-4d-20-2a-2f/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "xpm | <https://en.wikipedia.org/wiki/X_PixMap> X PixMap"
    },
    {
      "hex_signature": "FD 37 7a 58 5A 00",
      "offset": "0",
      "extension": "xz",
      "format": "XZ compression utility using LZMA2 compression",
      "id": "xz-fd-37-7a-58-5a-00",
      "url": "https://referencesource.org/file-format-signatures/xz-fd-37-7a-58-5a-00/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "\u00fd7zXZ\u2400 | 0 | xz tar.xz | <https://en.wikipedia.org/wiki/XZ_Utils> XZ compression utility using <https://en.wikipedia.org/wiki/Lempel\u2013Ziv\u2013Markov_chain_algorithm> LZMA2 compression |"
    },
    {
      "hex_signature": "46 4F 52 4D ?? ?? ?? ?? 59 55 56 4E",
      "offset": "0",
      "extension": "yuvn",
      "format": "YUV Image",
      "id": "yuvn-46-4f-52-4d-59-55-56-4e",
      "url": "https://referencesource.org/file-format-signatures/yuvn-46-4f-52-4d-59-55-56-4e/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "FORM ???? YUVN | 0 any | yuvn yuv iff | <https://en.wikipedia.org/wiki/Interchange_File_Format> IFF <https://en.wikipedia.org/wiki/YUV> YUV Image"
    },
    {
      "hex_signature": "1F 9D",
      "offset": "0",
      "extension": "z tar.z",
      "format": "compressed file (often tar zip) using Lempel-Ziv-Welch algorithm",
      "id": "z-tar-z-1f-9d",
      "url": "https://referencesource.org/file-format-signatures/z-tar-z-1f-9d/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "compressed file (often <https://en.wikipedia.org/wiki/Tar_(file_format)> tar zip) using <https://en.wikipedia.org/wiki/Lempel-Ziv-Welch> Lempel-Ziv-Welch algorithm"
    },
    {
      "hex_signature": "1F A0",
      "offset": "0",
      "extension": "z tar.z",
      "format": "compressed file (often tar zip) using LZH algorithm",
      "id": "z-tar-z-1f-a0",
      "url": "https://referencesource.org/file-format-signatures/z-tar-z-1f-a0/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "Compressed file (often tar zip) using <https://en.wikipedia.org/wiki/LHA_(file_format)> LZH algorithm"
    },
    {
      "hex_signature": "50 4B 03 04 50 4B 05 06 (empty archive) 50 4B 07 08 (spanned archive)",
      "offset": "0",
      "extension": "zip",
      "format": "zip file format",
      "id": "zip-50-4b-03-04-50-4b-05-06-empty-archive-50-4b-07-08-spanned-archive",
      "url": "https://referencesource.org/file-format-signatures/zip-50-4b-03-04-50-4b-05-06-empty-archive-50-4b-07-08-spanned-archive/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "PK\u2403\u2404 PK\u2405\u2406 PK\u2407\u2408 | 0 | zip aar apk docx epub <https://en.wikipedia.org/wiki/.ipa> ipa jar kmz <https://en.wikipedia.org/wiki/Mozilla_Archive_Format> maff msix odp ods odt pk3 pk4 pptx usdz vsdx xlsx <https://en.wikipedia.org/wiki/XPInstall> xpi whl | <https://en.wikipedia.org/wiki/ZIP_(file_format)> zip file format and formats based on it, such as <https://en.wikipedia.org/wiki/EPUB> EPUB , <https://en.wikipedia.org/wiki/JAR_(file_format)> JAR , <https://en.wikipedia.org/wiki/OpenDocument> ODF , <https://en.wikipedia.org/wiki/Office_Open_XML> OOXML"
    },
    {
      "hex_signature": "5A 4F 4F",
      "offset": "0",
      "extension": "zoo",
      "format": "Zoo (file format)",
      "id": "zoo-5a-4f-4f",
      "url": "https://referencesource.org/file-format-signatures/zoo-5a-4f-4f/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "zoo | <https://en.wikipedia.org/wiki/Zoo_(file_format)> Zoo (file format)"
    },
    {
      "hex_signature": "28 B5 2F FD",
      "offset": "0",
      "extension": "zst",
      "format": "Zstandard compress",
      "id": "zst-28-b5-2f-fd",
      "url": "https://referencesource.org/file-format-signatures/zst-28-b5-2f-fd/",
      "source": "https://en.wikipedia.org/wiki/List_of_file_signatures",
      "source_quote": "<https://en.wikipedia.org/wiki/Zstandard> Zstandard compress [ 79 ] [ 80 ]"
    }
  ]
}