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.
AOL personal file cabinet
N/A
Primary Hex
41 4F 4C 56 4D 31 30 30
PFM
application/x-font-printer-metric
Primary Hex
00 01 FF FF 00 00 43 6F 70 79 72
PGP disk image
N/A
Primary Hex
50 47 50 64 4D 41 49 4E
Portable Graymap Graphic
image/x-portable-graymap
Primary Hex
50 35 0A
PGP
application/pgp-encrypted
Primary Hex
85
PGT
N/A
Primary Hex
78 56 34
PHP
text/x-php
Primary Hex
3C 3F 70 68 70
PHP3
text/x-php
Primary Hex
3C 3F 70 68 70
PHP4
text/x-php
Primary Hex
3C 3F 70 68 70