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.
Portable Graymap Graphic
Primary Hex
50 35 0A
PGP
Primary Hex
85
PGT
Primary Hex
78 56 34
PHP
Primary Hex
3C 3F 70 68 70
PHP3
Primary Hex
3C 3F 70 68 70
PHP4
Primary Hex
3C 3F 70 68 70
Unknown type picture file
Primary Hex
00 11 02 FF 0C 00
PICT
Primary Hex
00 11 02 FF 0C 00
Program Information File (Windows DOS shortcut)
Primary Hex
00
PJT
Primary Hex
78 56 34
PK3
Primary Hex
50 4B 03 04
PK4
Primary Hex
50 4B 03 04
PGP public keyring file
Primary Hex
99 01
PKT
Primary Hex
78 56 34
PL
Primary Hex
65 76 61 6C 20 22 65 78 65 63 20 2F 75 73 72 2F 6C 6F 63 61 6C 2F 62 69 6E 2F 70 65 72 6C
Binary property list
Primary Hex
62 70 6C 69 73 74
WinAmp Playlist file
Primary Hex
5B 70 6C 61 79 6C 69 73 74 5D
PM
Primary Hex
65 76 61 6C 20 22 65 78 65 63 20 2F 75 73 72 2F 6C 6F 63 61 6C 2F 62 69 6E 2F 70 65 72 6C
PMT
Primary Hex
78 56 34
Portable Network Graphics file
Primary Hex
89 50 4E 47 0D 0A 1A 0A
POT
Primary Hex
D0 CF 11 E0 A1 B1 1A E1
PPA
Primary Hex
D0 CF 11 E0 A1 B1 1A E1
PPK
Primary Hex
50 75 54 54 59 2D 55 73 65 72 2D 4B 65 79 2D 46 69 6C 65 2D 32 3A
PPM
Primary Hex
50 33