category,extension,mime_type,magic_hex,magic_offset_bytes,notes
image,png,image/png,89 50 4E 47 0D 0A 1A 0A,0,
image,jpg,image/jpeg,FF D8 FF,0,also .jpeg/.jpe
image,gif,image/gif,47 49 46 38,0,"""GIF8"" (87a/89a)"
image,webp,image/webp,57 45 42 50,8,"RIFF at 0, ""WEBP"" at byte 8"
image,bmp,image/bmp,42 4D,0,"""BM"""
image,tiff,image/tiff,49 49 2A 00,0,LE; BE is 4D 4D 00 2A
image,ico,image/x-icon,00 00 01 00,0,favicon; cursor is 00 00 02 00
image,heic,image/heic,66 74 79 70 68 65 69 63,4,"ISO-BMFF ftyp, brand ""heic"""
image,avif,image/avif,66 74 79 70 61 76 69 66,4,"ISO-BMFF ftyp, brand ""avif"""
image,jxl,image/jxl,FF 0A,0,bare codestream; container is 00 00 00 0C 4A 58 4C 20
image,svg,image/svg+xml,,0,"XML text: starts ""<?xml"" or ""<svg"""
image,psd,image/vnd.adobe.photoshop,38 42 50 53,0,"""8BPS"""
image,cr2,image/x-canon-cr2,49 49 2A 00 10 00 00 00 43 52,0,Canon RAW
audio,mp3,audio/mpeg,49 44 33,0,"""ID3"" tag; or frame sync FF FB/FF F3/FF F2"
audio,wav,audio/wav,57 41 56 45,8,"RIFF at 0, ""WAVE"" at byte 8"
audio,flac,audio/flac,66 4C 61 43,0,"""fLaC"""
audio,ogg,audio/ogg,4F 67 67 53,0,"""OggS"""
audio,m4a,audio/mp4,66 74 79 70 4D 34 41 20,4,"ISO-BMFF ftyp, brand ""M4A """
audio,aac,audio/aac,FF F1,0,ADTS; also FF F9
audio,mid,audio/midi,4D 54 68 64,0,"""MThd"""
video,mp4,video/mp4,66 74 79 70,4,ISO-BMFF ftyp; brand isom/mp42/etc at byte 8
video,mov,video/quicktime,66 74 79 70 71 74 20 20,4,"ISO-BMFF ftyp, brand ""qt  """
video,webm,video/webm,1A 45 DF A3,0,EBML (shared with MKV)
video,mkv,video/x-matroska,1A 45 DF A3,0,"EBML; DocType ""matroska"" at ~byte 31"
video,avi,video/x-msvideo,41 56 49 20,8,"RIFF at 0, ""AVI "" at byte 8"
video,flv,video/x-flv,46 4C 56,0,"""FLV"""
video,mpg,video/mpeg,00 00 01 BA,0,MPEG program stream
archive,zip,application/zip,50 4B 03 04,0,"""PK..""; empty 50 4B 05 06"
archive,gz,application/gzip,1F 8B,0,
archive,bz2,application/x-bzip2,42 5A 68,0,"""BZh"""
archive,xz,application/x-xz,FD 37 7A 58 5A 00,0,
archive,zst,application/zstd,28 B5 2F FD,0,Zstandard
archive,7z,application/x-7z-compressed,37 7A BC AF 27 1C,0,
archive,rar,application/vnd.rar,52 61 72 21 1A 07,0,"""Rar!""; v5 adds 01 00"
archive,tar,application/x-tar,75 73 74 61 72,257,"""ustar"" at byte 257"
document,pdf,application/pdf,25 50 44 46,0,"""%PDF"""
document,rtf,application/rtf,7B 5C 72 74 66,0,"""{\rtf"""
document,ps,application/postscript,25 21,0,"""%!"""
document,doc,application/msword,D0 CF 11 E0 A1 B1 1A E1,0,legacy OLE (doc/xls/ppt)
document,docx,application/vnd.openxmlformats-officedocument.wordprocessingml.document,50 4B 03 04,0,ZIP container (OOXML)
document,xlsx,application/vnd.openxmlformats-officedocument.spreadsheetml.sheet,50 4B 03 04,0,ZIP container (OOXML)
document,pptx,application/vnd.openxmlformats-officedocument.presentationml.presentation,50 4B 03 04,0,ZIP container (OOXML)
document,epub,application/epub+zip,50 4B 03 04,0,"ZIP; ""mimetype"" entry = application/epub+zip"
font,ttf,font/ttf,00 01 00 00,0,TrueType
font,otf,font/otf,4F 54 54 4F,0,"""OTTO"""
font,woff,font/woff,77 4F 46 46,0,"""wOFF"""
font,woff2,font/woff2,77 4F 46 32,0,"""wOF2"""
font,eot,application/vnd.ms-fontobject,,34,no fixed magic; 0x504C at byte 34
executable,exe,application/vnd.microsoft.portable-executable,4D 5A,0,"""MZ"" (DOS/PE)"
executable,elf,application/x-elf,7F 45 4C 46,0,""".ELF"" (Linux)"
executable,macho,application/x-mach-binary,FE ED FA CF,0,64-bit; 32-bit FE ED FA CE
executable,class,application/java-vm,CA FE BA BE,0,Java class
executable,wasm,application/wasm,00 61 73 6D,0,"""\0asm"""
data,sqlite,application/vnd.sqlite3,53 51 4C 69 74 65 20 66 6F 72 6D 61 74 20 33 00,0,"""SQLite format 3\0"""
data,json,application/json,,0,"text, no signature"
data,xml,application/xml,,0,"text; often ""<?xml"""
data,csv,text/csv,,0,"text, no signature"
data,yaml,application/yaml,,0,"text, no signature"
data,toml,application/toml,,0,"text, no signature"
data,parquet,application/vnd.apache.parquet,50 41 52 31,0,"""PAR1"" at start AND end"
web,html,text/html,,0,"text; often ""<!DOCTYPE"" or ""<html"""
web,css,text/css,,0,"text, no signature"
web,js,text/javascript,,0,"text, no signature"
web,wasm,application/wasm,00 61 73 6D,0,see executable
text,txt,text/plain,,0,text; UTF-8 BOM is EF BB BF
text,md,text/markdown,,0,"text, no signature"