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.
Acrobat plug-in
N/A
Primary Hex
4D 5A 90 00 03 00 00 00
Android package
N/A
Primary Hex
50 4B 03 04 50 4B 05 06 50 4B 07 08
Lotus/IBM Approach 97 file
N/A
Primary Hex
CF FA ED FE
APT
text/plain
Primary Hex
54 68 69 73 20 69 73 20 54 65 58 2C
PufferASCII-armored encrypted archive
N/A
Primary Hex
42 65 67 69 6E 20 50 75 66 66 65 72 20 44 61 74 61 0D 0A
AR
application/x-archive
Primary Hex
3D 3C 61 72 3E
FreeArc compressed file
application/x-internet-archive
Primary Hex
66 69 6C 65 64 65 73 63 3A 2F 2F
Webex Advanced Recording Format files
N/A
Primary Hex
01 00 02 00
Compressed archive file
application/x-arj
Primary Hex
60 EA