zip file format — file signature 50 4B 03 04 50 4B 05 06 (empty archive) 50 4B 07 08 (spanned archive) at offset 0

For zip file format, hex signature is 50 4B 03 04 50 4B 05 06 (empty archive) 50 4B 07 08 (spanned archive); offset is 0; extension is zip, recorded from its source on 2026-08-03.

What the source says

PK␃␄ PK␅␆ PK␇␈ | 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

— en.wikipedia.org, retrieved 2026-08-03

Source

• en.wikipedia.orghttps://en.wikipedia.org/wiki/List_of_file_signatures

Last verified against source: 2026-08-03. Due for re-check by 2027-08-03. This page as Markdown · OKF bundle · full dataset as JSON.