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.
SHP
application/x-shapefile
Primary Hex
00 00 27 0A
SHR
N/A
Primary Hex
52 49 46 46 73 68 72 35
Harvard Graphics DOS Ver
N/A
Primary Hex
52 49 46 46 73 68 77 34
Sibelius Music - Score file
application/x-sibelius
Primary Hex
0F 53 49 42 45 4C 49 55 53
Audio compression formatdeveloped by Skype; also used by other applications
N/A
Primary Hex
23 21 53 49 4C 4B 0A
SIS
application/vnd.symbian.install
Primary Hex
10 00 04 19
SISX
application/vnd.symbian.install
Primary Hex
10 00 04 19
StuffIt compressed archive
application/x-stuffit
Primary Hex
53 74 75 66 66 49 74
SkinCrafter skin file
N/A
Primary Hex
07 53 4B 46