{
 "id": "jeff-s-image-format",
 "name": "Jeff's Image Format",
 "category": "image",
 "identifiers": {
  "extensions": [
   "jif"
  ],
  "mime": [
   "application/octet-stream"
  ],
  "wikidata": [
   "Q28206407"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "4a4946393961",
    "notes": "Jeffs Image Format"
   }
  ],
  "puid": [
   "fmt/994"
  ],
  "signatures": [
   {
    "name": "Jeffs Image Format",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "4a4946393961"
     }
    ]
   }
  ]
 },
 "status": "unknown",
 "summary": "Jeff's Image Format (JIF) is a raster image file format that was designed to be a patent-free alternative to GIF. It is nearly identical to GIF, except that it uses zlib compression instead of LZW.",
 "tools": [
  {
   "name": "PaintShop Pro X4",
   "url": "https://www.wikidata.org/wiki/Q110977057",
   "reads": true,
   "writes": false
  },
  {
   "name": "Q650922",
   "url": "https://www.xnview.com/",
   "reads": false,
   "writes": true,
   "license": "freeware / proprietary license"
  }
 ],
 "projects": [
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/Jeff's_Image_Format",
   "kind": "wiki"
  },
  {
   "name": "PRONOM fmt/994",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/994",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q28206407",
   "url": "https://www.wikidata.org/wiki/Q28206407",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "ffw",
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-24",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}