All File Signatures & Extensions
Search by extension, format name, or MIME type to jump straight to a canonical signature page with validation code and source attribution.
Corel Photopaint file
Primary Hex
43 50 54 37 46 49 4C 45
Microsoft Code Page Translation file
Primary Hex
5B 57 69 6E 64 6F 77 73 20 4C 61 74 69 6E 20
Canon digital camera RAW file
Primary Hex
4D 4D 00 2A
CR3
Primary Hex
66 74 79 70 63 72 78 20
CRT
Primary Hex
43 36 34 20 43 41 52 54 52 49 44 47 45 20 20 20
Crush compressed archive
Primary Hex
43 52 55 53 48 20 76
Canon digital camera RAW file
Primary Hex
49 49 1A 00 00 00 48 45 41 50 43 43 44 52
Google Chromium patch update
Primary Hex
43 72 32 34
Csound music file
Primary Hex
3C 43 73 6F 75 6E 64 53 79 6E 74 68 65 73 69 7A
Photoshop Custom Shape
Primary Hex
63 75 73 68 00 00 00 02 00 00 00
Compressed ISO
Primary Hex
43 49 53 4F
CSR
Primary Hex
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
WhereIsIt Catalog file
Primary Hex
43 61 74 61 6C 6F 67 20 33 2E 30 30 00
Visual Basic User-defined Control file
Primary Hex
56 45 52 53 49 4F 4E 20
Windows cursor file
Primary Hex
00 00 02 00
CWK
Primary Hex
02 00 5A 57 52 54 00 00 00 00 00 00 00 00 00 00
CZX
Primary Hex
43 5A 50 58
D64
Primary Hex
A0 32 41 A0 A0 A0
D81
Primary Hex
A0 33 44 A0 A0
PowerISO Direct-Access-Archive image
Primary Hex
44 41 41
Microsoft® Windows® User State Migration Tool
Primary Hex
50 4D 4F 43 43 4D 4F 43
DAX Compressed CD image
Primary Hex
44 41 58 00
Paessler PRTG Monitoring System database file
Primary Hex
53 51 4C 69 74 65 20 66
Palm DateBook Archive file
Primary Hex
00 01 42 44