{
 "id": "mach-o-32bit",
 "name": "Mach-O",
 "category": "other",
 "identifiers": {
  "puid": [
   "fmt/692"
  ],
  "wikidata": [
   "Q47524710"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "feedface",
    "notes": "Mach-O 32bit 1"
   },
   {
    "offset": 0,
    "hex": "cefaedfe",
    "notes": "Mach-O 32bit 2"
   }
  ],
  "signatures": [
   {
    "name": "Mach-O 32bit 1",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "feedface"
     }
    ]
   },
   {
    "name": "Mach-O 32bit 2",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "cefaedfe"
     }
    ]
   }
  ]
 },
 "status": "partial",
 "summary": "Mach-O is a standard used to store programs and libraries on disk in the Apple Mac app binary interface. Mach-O files generally lack a format extension.",
 "projects": [
  {
   "name": "Kaitai Struct: mach_o",
   "url": "https://formats.kaitai.io/mach_o/",
   "kind": "grammar",
   "license": "MIT"
  },
  {
   "name": "PRONOM fmt/692",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/692",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q47524710",
   "url": "https://www.wikidata.org/wiki/Q47524710",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "kaitai",
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-24",
 "version": "32bit",
 "parsers": [
  {
   "engine": "kaitai",
   "url": "https://github.com/kaitai-io/kaitai_struct_formats/blob/master/executable/mach_o.ksy",
   "license": "MIT"
  }
 ],
 "aliases": [],
 "structure": [],
 "tools": [
  {
   "name": "ExifTool",
   "url": "https://exiftool.org/",
   "reads": true,
   "writes": false,
   "license": "Artistic License / GNU General Public License, version 1.0 or later",
   "open_source": true,
   "via": "mach-o"
  },
  {
   "name": "Zig",
   "url": "https://ziglang.org/",
   "reads": false,
   "writes": true,
   "license": "MIT License",
   "open_source": true,
   "via": "mach-o"
  }
 ],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": [],
 "family": "mach-o"
}