This file was generated automatically based on this two sources:
This is a JSON object by following structure:
[string ext] : {
signs: [sign]
mime: string
}
A sign is a string in this format (without any space):
[int o],[hex s]
where o is x byte offset (Commonly zero)
MP4:
[4 byte offset]
66 74 79 70 69 73 6F 6D
becomes:
4,6674797069736F6D
| { | |
| "123": { | |
| "signs": [ | |
| "0,00001A00051004" | |
| ], | |
| "mime": "application/vnd.lotus-1-2-3" | |
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| "cpl": { | |
| "signs": [ | |
| "0,4D5A", | |
| "0,DCDC" | |
| ], | |
| "mime": "application/cpl+xml" | |
| }, | |
| "epub": { | |
| "signs": [ | |
| "0,504B03040A000200" | |
| ], | |
| "mime": "application/epub+zip" | |
| }, | |
| "ttf": { | |
| "signs": [ | |
| "0,0001000000" | |
| ], | |
| "mime": "application/font-sfnt" | |
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| "gz": { | |
| "signs": [ | |
| "0,1F8B08" | |
| ], | |
| "mime": "application/gzip" | |
| }, | |
| "tgz": { | |
| "signs": [ | |
| "0,1F8B08" | |
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| "mime": "application/gzip" | |
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| "signs": [ | |
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| ], | |
| "mime": "application/mac-binhex40" | |
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| "0,D0CF11E0A1B11AE1", | |
| "0,DBA52D00", | |
| "512,ECA5C100" | |
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| "0,060E2B34020501010D0102010102", | |
| "0,3C435472616E7354696D656C696E653E" | |
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| "mime": "application/mxf" | |
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| "2,2D6C68" | |
| ], | |
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| "0,4D5A" | |
| ], | |
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| "0,CAFEBABE" | |
| ], | |
| "mime": "application/octet-stream" | |
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| "0,4D5A" | |
| ], | |
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| "32769,4344303031", | |
| "34817,4344303031", | |
| "36865,4344303031" | |
| ], | |
| "mime": "application/octet-stream" | |
| }, | |
| "ogx": { | |
| "signs": [ | |
| "0,4F67675300020000000000000000" | |
| ], | |
| "mime": "application/ogg" | |
| }, | |
| "oxps": { | |
| "signs": [ | |
| "0,504B0304" | |
| ], | |
| "mime": "application/oxps" | |
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| "pdf": { | |
| "signs": [ | |
| "0,25504446" | |
| ], | |
| "mime": "application/pdf" | |
| }, | |
| "p10": { | |
| "signs": [ | |
| "0,64000000" | |
| ], | |
| "mime": "application/pkcs10" | |
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| "0,5B706C61796C6973745D" | |
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| "signs": [ | |
| "0,25504446" | |
| ], | |
| "mime": "application/postscript" | |
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| "rtf": { | |
| "signs": [ | |
| "0,7B5C72746631" | |
| ], | |
| "mime": "application/rtf" | |
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| "tsa": { | |
| "signs": [ | |
| "0,47" | |
| ], | |
| "mime": "application/tamp-sequence-adjust" | |
| }, | |
| "msf": { | |
| "signs": [ | |
| "0,2F2F203C212D2D203C6D64623A6D6F726B3A7A" | |
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| "mime": "application/vnd.epson.msf" | |
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| "fdf": { | |
| "signs": [ | |
| "0,25504446" | |
| ], | |
| "mime": "application/vnd.fdf" | |
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| "fm": { | |
| "signs": [ | |
| "0,3C4D616B657246696C6520" | |
| ], | |
| "mime": "application/vnd.framemaker" | |
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| "kmz": { | |
| "signs": [ | |
| "0,504B0304" | |
| ], | |
| "mime": "application/vnd.google-earth.kmz" | |
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| "0,0020AF30", | |
| "0,6D7346696C7465724C697374" | |
| ], | |
| "mime": "application/vnd.groove-tool-template" | |
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| "0,504B0304" | |
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| "mime": "application/vnd.kde.kword" | |
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| "0,00001A000210040000000000" | |
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| "mime": "application/vnd.lotus-1-2-3" | |
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| "signs": [ | |
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| ], | |
| "mime": "application/vnd.lotus-1-2-3" | |
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| "wk1": { | |
| "signs": [ | |
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| ], | |
| "mime": "application/vnd.lotus-1-2-3" | |
| }, | |
| "apr": { | |
| "signs": [ | |
| "0,D0CF11E0A1B11AE1" | |
| ], | |
| "mime": "application/vnd.lotus-approach" | |
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| "nsf": { | |
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| "0,1A0000040000", | |
| "0,4E45534D1A01" | |
| ], | |
| "mime": "application/vnd.lotus-notes" | |
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| "0,30314F52444E414E43452053555256455920202020202020", | |
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| "mime": "application/vnd.lotus-notes" | |
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| "org": { | |
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| "0,414F4C564D313030" | |
| ], | |
| "mime": "application/vnd.lotus-organizer" | |
| }, | |
| "lwp": { | |
| "signs": [ | |
| "0,576F726450726F" | |
| ], | |
| "mime": "application/vnd.lotus-wordpro" | |
| }, | |
| "sam": { | |
| "signs": [ | |
| "0,5B50686F6E655D" | |
| ], | |
| "mime": "application/vnd.lotus-wordpro" | |
| }, | |
| "mif": { | |
| "signs": [ | |
| "0,3C4D616B657246696C6520", | |
| "0,56657273696F6E20" | |
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| "mime": "application/vnd.mif" | |
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| "xul": { | |
| "signs": [ | |
| "0,3C3F786D6C2076657273696F6E3D22312E30223F3E" | |
| ], | |
| "mime": "application/vnd.mozilla.xul+xml" | |
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| "asf": { | |
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| "0,3026B2758E66CF11A6D900AA0062CE6C" | |
| ], | |
| "mime": "application/vnd.ms-asf" | |
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| "0,49536328", | |
| "0,4D534346" | |
| ], | |
| "mime": "application/vnd.ms-cab-compressed" | |
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| "mime": "application/vnd.ms-htmlhelp" | |
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| "512,A0461DF0", | |
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| "512,FDFFFFFF04" | |
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| "0,D0CF11E0A1B11AE1" | |
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| "mime": "application/vnd.ms-powerpoint" | |
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| "2,5B56657273696F6E" | |
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| "3gp": { | |
| "signs": [ | |
| "0,0000001466747970336770", | |
| "0,0000002066747970336770" | |
| ], | |
| "mime": "video/3gpp" | |
| }, | |
| "3g2": { | |
| "signs": [ | |
| "0,0000001466747970336770", | |
| "0,0000002066747970336770" | |
| ], | |
| "mime": "video/3gpp2" | |
| }, | |
| "mp4": { | |
| "signs": [ | |
| "0,000000146674797069736F6D", | |
| "0,000000186674797033677035", | |
| "0,0000001C667479704D534E56012900464D534E566D703432", | |
| "4,6674797033677035", | |
| "4,667479704D534E56", | |
| "4,6674797069736F6D" | |
| ], | |
| "mime": "video/mp4" | |
| }, | |
| "m4v": { | |
| "signs": [ | |
| "0,00000018667479706D703432", | |
| "0,00000020667479704D345620", | |
| "4,667479706D703432" | |
| ], | |
| "mime": "video/mp4" | |
| }, | |
| "mpeg": { | |
| "signs": [ | |
| "0,00000100", | |
| "0,FFD8" | |
| ], | |
| "mime": "video/mpeg" | |
| }, | |
| "mpg": { | |
| "signs": [ | |
| "0,00000100", | |
| "0,000001BA", | |
| "0,FFD8" | |
| ], | |
| "mime": "video/mpeg" | |
| }, | |
| "ogv": { | |
| "signs": [ | |
| "0,4F67675300020000000000000000" | |
| ], | |
| "mime": "video/ogg" | |
| }, | |
| "mov": { | |
| "signs": [ | |
| "0,00", | |
| "0,000000146674797071742020", | |
| "4,6674797071742020", | |
| "4,6D6F6F76" | |
| ], | |
| "mime": "video/quicktime" | |
| }, | |
| "cpt": { | |
| "signs": [ | |
| "0,4350543746494C45", | |
| "0,43505446494C45" | |
| ], | |
| "mime": "application/mac-compactpro" | |
| }, | |
| "sxc": { | |
| "signs": [ | |
| "0,504B0304", | |
| "0,504B0304" | |
| ], | |
| "mime": "application/vnd.sun.xml.calc" | |
| }, | |
| "sxd": { | |
| "signs": [ | |
| "0,504B0304" | |
| ], | |
| "mime": "application/vnd.sun.xml.draw" | |
| }, | |
| "sxi": { | |
| "signs": [ | |
| "0,504B0304" | |
| ], | |
| "mime": "application/vnd.sun.xml.impress" | |
| }, | |
| "sxw": { | |
| "signs": [ | |
| "0,504B0304" | |
| ], | |
| "mime": "application/vnd.sun.xml.writer" | |
| }, | |
| "bz2": { | |
| "signs": [ | |
| "0,425A68" | |
| ], | |
| "mime": "application/x-bzip2" | |
| }, | |
| "vcd": { | |
| "signs": [ | |
| "0,454E5452595643440200000102001858" | |
| ], | |
| "mime": "application/x-cdlink" | |
| }, | |
| "csh": { | |
| "signs": [ | |
| "0,6375736800000002000000" | |
| ], | |
| "mime": "application/x-csh" | |
| }, | |
| "spl": { | |
| "signs": [ | |
| "0,00000100" | |
| ], | |
| "mime": "application/x-futuresplash" | |
| }, | |
| "jar": { | |
| "signs": [ | |
| "0,4A4152435300", | |
| "0,504B0304", | |
| "0,504B0304140008000800", | |
| "0,5F27A889" | |
| ], | |
| "mime": "application/x-java-archive" | |
| }, | |
| "rpm": { | |
| "signs": [ | |
| "0,EDABEEDB" | |
| ], | |
| "mime": "application/x-rpm" | |
| }, | |
| "swf": { | |
| "signs": [ | |
| "0,435753", | |
| "0,465753", | |
| "0,5A5753" | |
| ], | |
| "mime": "application/x-shockwave-flash" | |
| }, | |
| "sit": { | |
| "signs": [ | |
| "0,5349542100", | |
| "0,5374756666497420286329313939372D" | |
| ], | |
| "mime": "application/x-stuffit" | |
| }, | |
| "tar": { | |
| "signs": [ | |
| "257,7573746172" | |
| ], | |
| "mime": "application/x-tar" | |
| }, | |
| "xpi": { | |
| "signs": [ | |
| "0,504B0304" | |
| ], | |
| "mime": "application/x-xpinstall" | |
| }, | |
| "xz": { | |
| "signs": [ | |
| "0,FD377A585A00" | |
| ], | |
| "mime": "application/x-xz" | |
| }, | |
| "mid": { | |
| "signs": [ | |
| "0,4D546864" | |
| ], | |
| "mime": "audio/midi" | |
| }, | |
| "midi": { | |
| "signs": [ | |
| "0,4D546864" | |
| ], | |
| "mime": "audio/midi" | |
| }, | |
| "aiff": { | |
| "signs": [ | |
| "0,464F524D00" | |
| ], | |
| "mime": "audio/x-aiff" | |
| }, | |
| "flac": { | |
| "signs": [ | |
| "0,664C614300000022" | |
| ], | |
| "mime": "audio/x-flac" | |
| }, | |
| "wma": { | |
| "signs": [ | |
| "0,3026B2758E66CF11A6D900AA0062CE6C" | |
| ], | |
| "mime": "audio/x-ms-wma" | |
| }, | |
| "ram": { | |
| "signs": [ | |
| "0,727473703A2F2F" | |
| ], | |
| "mime": "audio/x-pn-realaudio" | |
| }, | |
| "rm": { | |
| "signs": [ | |
| "0,2E524D46" | |
| ], | |
| "mime": "audio/x-pn-realaudio" | |
| }, | |
| "ra": { | |
| "signs": [ | |
| "0,2E524D460000001200", | |
| "0,2E7261FD00" | |
| ], | |
| "mime": "audio/x-realaudio" | |
| }, | |
| "wav": { | |
| "signs": [ | |
| "0,52494646" | |
| ], | |
| "mime": "audio/x-wav" | |
| }, | |
| "webp": { | |
| "signs": [ | |
| "0,52494646" | |
| ], | |
| "mime": "image/webp" | |
| }, | |
| "pgm": { | |
| "signs": [ | |
| "0,50350A" | |
| ], | |
| "mime": "image/x-portable-graymap" | |
| }, | |
| "rgb": { | |
| "signs": [ | |
| "0,01DA01010003" | |
| ], | |
| "mime": "image/x-rgb" | |
| }, | |
| "webm": { | |
| "signs": [ | |
| "0,1A45DFA3" | |
| ], | |
| "mime": "video/webm" | |
| }, | |
| "flv": { | |
| "signs": [ | |
| "0,00000020667479704D345620", | |
| "0,464C5601" | |
| ], | |
| "mime": "video/x-flv" | |
| }, | |
| "mkv": { | |
| "signs": [ | |
| "0,1A45DFA3" | |
| ], | |
| "mime": "video/x-matroska" | |
| }, | |
| "asx": { | |
| "signs": [ | |
| "0,3C" | |
| ], | |
| "mime": "video/x-ms-asf" | |
| }, | |
| "wmv": { | |
| "signs": [ | |
| "0,3026B2758E66CF11A6D900AA0062CE6C" | |
| ], | |
| "mime": "video/x-ms-wmv" | |
| }, | |
| "avi": { | |
| "signs": [ | |
| "0,52494646" | |
| ], | |
| "mime": "video/x-msvideo" | |
| } | |
| } |
Hi @qti3e
I found there are some repeats in signs , such as jpg, where 0,FFD8 repeat 4 times.
"jpg": {
"signs": [
"0,FFD8",
"0,FFD8",
"0,FFD8",
"0,FFD8"
],
"mime": "image/jpeg"
},
Hey! This is cool! I was about to start putting something like this together based on https://en.wikipedia.org/wiki/List_of_file_signatures. I did notice there are some more signatures on the wikipedia article that are not on https://www.garykessler.net/library/file_sigs.html
For example, two alternative signatures for mp3 of FF F2 and FF F3, so I think "mp3" could be extended to:
"mp3": {
"signs": [
"0,494433",
"0,FFFB",
"0,FFF2",
"0,FFF3"
],
"mime": "audio/mpeg"
},
Thanks for cross-referencing these!
for eml I have also found: "Return-path: " in addition to "Return-Path: "
"eml": {
"signs": [
"0,46726F6D3A20",
"0,52657475726E2D506174683A20",
"0,52657475726E2D706174683A20",
"0,582D"
],
"mime": "message/rfc822"
},
Thanks. This is really cool. I am also using this in my project now. I will credit you in my code and readme.md - link to this gist. Thanks again
On some sources, offsets are given in hex. In this case, offsets are in decimal. Maybe a comment making it explicit would be a improvement for this useful resource.