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.
BZ
application/x-bzip
Primary Hex
42 5A 30
bzip2compressed archive
N/A
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
CALS raster bitmap file
N/A
Primary Hex
53 75 70 65 72 43 61 6C 63
Windows NT Netmon capture file
application/vnd.tcpdump.pcap
Primary Hex
A1 B2 C3 D4
EnCase case file
N/A
Primary Hex
5F 43 41 53 45 5F
WordPerfect dictionary file
N/A
Primary Hex
43 42 46 49 4C 45