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.
123
application/vnd.lotus-1-2-3;version=97+9.x
Primary Hex
00 00 1A 00 03 10 04 00
3DS
image/x-3ds
Primary Hex
4D 4D
3G2
video/3gpp2
Primary Hex
66 74 79 70 33 67 32 61
3GP
video/3gpp
Primary Hex
66 74 79 70 33 67 65 36
7Z
application/x-7z-compressed
Primary Hex
37 7A
A
application/x-archive
Primary Hex
3D 3C 61 72 3E
MPEG-4 Advanced Audio Coding
audio/aac
Primary Hex
FF F1
AAR
application/java-archive
Primary Hex
50 4B 03 04
Palm Address Book Archive file
N/A
Primary Hex
00 01 42 41