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.
Better Portable Graphicsimage format
image/x-bpg
Primary Hex
42 50 47 FB
Pitney Bowes' MapInfo Sea Chart format
N/A
Primary Hex
1F 9D
BUP
application/x-dvd-ifo
Primary Hex
44 56 44 56 49 44 45 4F 2D 56 54 53
BZ
application/x-bzip
Primary Hex
42 5A 30
bzip2compressed archive
application/x-bzip2
Primary Hex
42 5A 68
C
text/x-csrc
Primary Hex
23 69 6E 63 6C 75 64 65 20
Microsoft cabinet file
application/vnd.ms-cab-compressed
Primary Hex
4D 53 43 46
Apple Core Audio File
audio/x-caf
Primary Hex
63 61 66 66 00 00
SuperCalc worksheet
N/A
Primary Hex
53 75 70 65 72 43 61 6C 63