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.
Windows Server 2003 printer spool file
Primary Hex
4B 49 00 00
SHP
Primary Hex
00 00 27 0A
SHR
Primary Hex
52 49 46 46 73 68 72 35
Corel Presentations slideshow
Primary Hex
52 49 46 46
Sibelius Music - Score file
Primary Hex
0F 53 49 42 45 4C 49 55 53
Audio compression formatdeveloped by Skype; also used by other applications
Primary Hex
23 21 53 49 4C 4B 0A
SIS
Primary Hex
10 00 04 19
SISX
Primary Hex
19 04 00 10
StuffIt compressed archive
Primary Hex
53 74 75 66 66 49 74
SkinCrafter skin file
Primary Hex
07 53 4B 46
PGP secret keyring file
Primary Hex
95 00
Steganos Security Suite virtual secure drive
Primary Hex
3A 56 45 52 53 49 4F 4E
Visual Studio
Primary Hex
4D 69 63 72 6F 73 6F 66 74 20 56 69 73 75 61 6C 20 53 74 75 64 69 6F 20 53 6F 6C 75 74 69 6F 6E 20 46 69 6C 65
SLOB
Primary Hex
21 2D 31 53 4C 4F 42 1F
SML
Primary Hex
3A 29 0A
SMU
Primary Hex
46 4F 52 4D
SMUS
Primary Hex
46 4F 52 4D
SND
Primary Hex
2E 73 6E 64
Netscape Communicator
Primary Hex
00 1E 84 90 00 00 00 00
Expert Witness Compression Format
Primary Hex
45 56 46 09 0D 0A FF 00
Microsoft Access Snapshot Viewer file
Primary Hex
4D 53 43 46
SO
Primary Hex
7F 45 4C 46
Adobe Flash shared object file
Primary Hex
00 BF
Visual Studio Solution User Options file
Primary Hex
D0 CF 11 E0 A1 B1 1A E1