{
 "id": "jpx",
 "name": "JPX",
 "family": "jpeg-2000",
 "category": "image",
 "identifiers": {
  "extensions": [
   "jpf",
   "jpx"
  ],
  "mime": [
   "image/jpx"
  ],
  "puid": [
   "fmt/151"
  ],
  "wikidata": [
   "Q27979400"
  ],
  "loc_fdd": [
   "fdd000154"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "0000000c6a5020200d0a870a",
    "notes": "JPEG 2000 with Extensions"
   }
  ],
  "signatures": [
   {
    "name": "JPEG 2000 with Extensions",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "0000000c6a5020200d0a870a{4}667479706a7078"
     }
    ]
   }
  ]
 },
 "status": "readable",
 "summary": "JPX is an image file format extended from JP2, providing the potential for extended colour space support, alternative compression methods, and other features. JPX may be used in applications that require additional functionality or data structures beyond those defined in the JP2 file format.",
 "tools": [
  {
   "name": "ENVI",
   "url": "https://www.nv5geospatialsoftware.com/Products/ENVI",
   "reads": true,
   "writes": false,
   "license": "proprietary license"
  },
  {
   "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
  },
  {
   "name": "MediaRich Server",
   "url": "https://equilibrium.com/mediarichserver/",
   "reads": true,
   "writes": false
  },
  {
   "name": "PaintShop Photo Pro X3",
   "url": "https://www.wikidata.org/wiki/Q122675173",
   "reads": true,
   "writes": true
  },
  {
   "name": "PaintShop Pro X4",
   "url": "https://www.wikidata.org/wiki/Q110977057",
   "reads": true,
   "writes": false
  },
  {
   "name": "Q207902",
   "url": "https://www.adobe.com/acrobat.html",
   "reads": false,
   "writes": true,
   "license": "proprietary license"
  },
  {
   "name": "ImageMagick",
   "url": "https://imagemagick.org",
   "license": "ImageMagick License",
   "open_source": true,
   "reads": true,
   "writes": true,
   "via": "jpeg-2000"
  },
  {
   "name": "ACDSee",
   "url": "https://www.acdsee.com",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "jpeg-2000"
  },
  {
   "name": "Adobe Photoshop Elements 3.0",
   "url": "https://www.wikidata.org/wiki/Q117187342",
   "reads": true,
   "writes": true,
   "via": "jpeg-2000"
  },
  {
   "name": "Advanced Guard for Information Security",
   "url": "http://evc.ctc.com/products/agis/",
   "reads": true,
   "writes": false,
   "via": "jpeg-2000"
  },
  {
   "name": "Affinity Photo",
   "url": "https://affinity.serif.com/de/photo/",
   "reads": true,
   "writes": false,
   "via": "jpeg-2000"
  },
  {
   "name": "ArcGIS",
   "url": "https://www.esri.com/software/arcgis",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "jpeg-2000"
  },
  {
   "name": "Converseen",
   "url": "https://converseen.fasterland.net/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "jpeg-2000"
  },
  {
   "name": "Grok",
   "url": "https://github.com/GrokImageCompression/grok/wiki",
   "reads": true,
   "writes": true,
   "via": "jpeg-2000"
  },
  {
   "name": "IrfanView",
   "url": "https://www.irfanview.com/",
   "reads": true,
   "writes": true,
   "license": "freeware",
   "via": "jpeg-2000"
  },
  {
   "name": "nomacs",
   "url": "https://nomacs.org",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "jpeg-2000"
  },
  {
   "name": "OpenImageIO",
   "url": "http://www.openimageio.org",
   "reads": true,
   "writes": false,
   "license": "BSD licenses",
   "open_source": true,
   "via": "jpeg-2000"
  },
  {
   "name": "OpenJPEG",
   "url": "https://www.openjpeg.org",
   "reads": false,
   "writes": true,
   "license": "2-clause BSD License",
   "open_source": true,
   "via": "jpeg-2000"
  },
  {
   "name": "Pinnacle Studio 17 Ultimate",
   "url": "https://www.wikidata.org/wiki/Q123246373",
   "reads": true,
   "writes": false,
   "via": "jpeg-2000"
  },
  {
   "name": "Q1936840",
   "url": "https://www.darktable.org/",
   "reads": false,
   "writes": true,
   "via": "jpeg-2000"
  },
  {
   "name": "Q650922",
   "url": "https://www.xnview.com/",
   "reads": false,
   "writes": true,
   "license": "freeware / proprietary license",
   "via": "jpeg-2000"
  },
  {
   "name": "Quick Look",
   "url": "http://www.apple.com/findouthow/mac/#quicklook",
   "reads": true,
   "writes": false,
   "via": "jpeg-2000"
  }
 ],
 "projects": [
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/JPX",
   "kind": "wiki"
  },
  {
   "name": "PRONOM fmt/151",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/151",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q27979400",
   "url": "https://www.wikidata.org/wiki/Q27979400",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "ffw",
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-24",
 "aliases": [
  "JPF"
 ],
 "structure": [],
 "parsers": [],
 "conversions": [
  {
   "to": "portable-network-graphics",
   "tool": "ImageMagick",
   "command": "convert in.j2c out.png",
   "fidelity": "lossless",
   "losses": "Pixels kept; some metadata, colour profiles or layers may be dropped.",
   "url": "https://imagemagick.org",
   "via": "jpeg-2000"
  },
  {
   "to": "tagged-image-file-format",
   "tool": "ImageMagick",
   "command": "convert in.j2c out.tif",
   "fidelity": "lossless",
   "losses": "Pixels kept; some metadata, colour profiles or layers may be dropped.",
   "url": "https://imagemagick.org",
   "via": "jpeg-2000"
  },
  {
   "to": "jpeg-file-interchange-format-1-02",
   "tool": "ImageMagick",
   "command": "convert in.j2c out.jpg",
   "fidelity": "lossy",
   "losses": "Lossy compression.",
   "url": "https://imagemagick.org",
   "via": "jpeg-2000"
  },
  {
   "to": "webp",
   "tool": "ImageMagick",
   "command": "convert in.j2c out.webp",
   "fidelity": "lossy",
   "losses": "Lossy compression.",
   "url": "https://imagemagick.org",
   "via": "jpeg-2000"
  },
  {
   "to": "gif",
   "tool": "ImageMagick",
   "command": "convert in.j2c out.gif",
   "fidelity": "lossy",
   "losses": "Reduced to 256 colours.",
   "url": "https://imagemagick.org",
   "via": "jpeg-2000"
  }
 ],
 "samples": [],
 "claims": [],
 "verification": []
}