---
type: lookup
id: cr3-66-74-79-70-63-72-78-43-52
asset: file-format-signatures
title: "66 74 79 70 63 72 78 43 52 — File format magic numbers"
sources:
  - 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 | €*_× | 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␁ RNC␂ | 0 | | Compressed file using Rob Northen Compression (vers"
generated: true
verified: false
harvested: 2026-08-03
stale_after: 2027-08-03
hex_signature: "66 74 79 70 63 72 78 43 52"
offset: "0"
extension: "cr3"
format: "Canon RAW Format Version 3"
unverified_fields: format
---
**Hex signature:** 66 74 79 70 63 72 78 43 52

**Offset:** 0

**Extension:** cr3

**Format:** Canon RAW Format Version 3

> 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 | €*_× | 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␁ RNC␂ | 0 | | Compressed file using Rob Northen Compression (vers

Source: <https://en.wikipedia.org/wiki/List_of_file_signatures>