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.
MacOS icon file
image/icns
Primary Hex
69 63 6E 73
Windows icon file
image/vnd.microsoft.icon
Primary Hex
00 00 01 00
ICS
text/calendar
Primary Hex
42 45 47 49 4E 3A 56 43 41 4C 45 4E 44 41 52
IDENTIFIER
N/A
Primary Hex
5B 5A 6F 6E 65 54 72 61 6E 73 66 65 72 5D
Quicken QuickFinder Information File
N/A
Primary Hex
49 4E 44 58
IEC
N/A
Primary Hex
4D 5A
IFB
text/calendar
Primary Hex
42 45 47 49 4E 3A 56 43 41 4C 45 4E 44 41 52
Electronic Arts'Interchange Format Files
N/A
Primary Hex
46 4F 52 4D 49 4C 42 4D
DVD info file
application/x-dvd-ifo
Primary Hex
44 56 44 56 49 44 45 4F 2D 56 54 53