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.
SVG
image/svg+xml
Primary Hex
3C 73 76 67
SVGZ
image/svg+xml
Primary Hex
3C 73 76 67
SVX
N/A
Primary Hex
46 4F 52 4D 38 53 56 58
Macromedia Shockwave Flash player file
application/vnd.adobe.flash.movie
Primary Hex
43 57 53
SWM
N/A
Primary Hex
4D 53 57 49 4D 00 00 00 D0 00 00 00 00
OpenOffice spreadsheet
N/A
Primary Hex
50 4B 03 04
OpenOffice spreadsheet
N/A
Primary Hex
50 4B 03 04
OpenOffice spreadsheet
N/A
Primary Hex
50 4B 03 04
OpenOffice spreadsheet
application/vnd.sun.xml.writer
Primary Hex
50 4B