{
 "id": "icns",
 "name": "ICNS",
 "category": "image",
 "identifiers": {
  "extensions": [
   "icns"
  ],
  "mime": [
   "image/x-icns"
  ],
  "puid": [
   "fmt/1185"
  ],
  "wikidata": [
   "Q2858737"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "69636e73",
    "notes": "Apple Icon Image Format"
   }
  ],
  "signatures": [
   {
    "name": "Apple Icon Image Format",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "69636e73{4}(49434f4e|49434e23|69636d23|69636d34|69636d38|69637323|69637334|69637338|69733332|73386d6b|69636c34|69636c38|696c3332|6c386d6b|69636823|69636834|69636838|69683332|68386d6b|69743332|74386d6b|69637034|69637035|69637036|69633037|69633038|69633039|69633130|69633131|69633132|69633133|544f4320|69636e56)"
     }
    ]
   }
  ]
 },
 "status": "writable",
 "summary": "The Apple Icon Image Format is the icon format used by Apple's Mac family of Operating Systems.",
 "tools": [
  {
   "name": "Abydos",
   "url": "https://www.wikidata.org/wiki/Q133445760",
   "reads": true,
   "writes": false,
   "license": "GNU Lesser General Public License",
   "open_source": true
  },
  {
   "name": "Apache Tika",
   "url": "https://tika.apache.org",
   "reads": true,
   "writes": false,
   "license": "Apache Software License 2.0",
   "open_source": true
  },
  {
   "name": "DevIL",
   "url": "http://openil.sourceforge.net/",
   "reads": true,
   "writes": false,
   "license": "GNU Lesser General Public License, version 2.1",
   "open_source": true
  },
  {
   "name": "Icon Composer",
   "url": "https://developer.apple.com/icon-composer/",
   "reads": true,
   "writes": false
  },
  {
   "name": "imageio",
   "url": "http://imageio.github.io/",
   "reads": true,
   "writes": false,
   "license": "2-clause BSD License",
   "open_source": true
  },
  {
   "name": "Kreative Structured Format Library",
   "url": "https://www.wikidata.org/wiki/Q139661097",
   "reads": true,
   "writes": true,
   "license": "Mozilla Public License",
   "open_source": true
  },
  {
   "name": "Mathematica",
   "url": "https://www.wolfram.com/mathematica/",
   "reads": false,
   "writes": true,
   "license": "proprietary license"
  },
  {
   "name": "PhotoRec",
   "url": "http://www.cgsecurity.org/wiki/PhotoRec",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License",
   "open_source": true
  },
  {
   "name": "Quick Look",
   "url": "http://www.apple.com/findouthow/mac/#quicklook",
   "reads": true,
   "writes": false
  }
 ],
 "projects": [
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/ICNS",
   "kind": "wiki"
  },
  {
   "name": "PRONOM fmt/1185",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/1185",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q2858737",
   "url": "https://www.wikidata.org/wiki/Q2858737",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "ffw",
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-24",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}