{
 "id": "pgf-progressive-graphics-file",
 "name": "PGF (Progressive Graphics File)",
 "category": "image",
 "identifiers": {
  "extensions": [
   "pgf"
  ],
  "mime": [
   "image/x-pgf"
  ],
  "wikidata": [
   "Q1374976"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "504746",
    "notes": "Progressive Graphics File"
   },
   {
    "offset": 0,
    "hex": "504746011000"
   }
  ],
  "puid": [
   "fmt/1128"
  ],
  "signatures": [
   {
    "name": "Progressive Graphics File",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "504746(02|05|06|07)"
     }
    ]
   }
  ]
 },
 "status": "writable",
 "summary": "Progressive Graphics File (PGF) is a raster image format developed by Christoph Stamm. Please contact the PRONOM team if you are able to provide a more detailed description.",
 "tools": [
  {
   "name": "Abydos",
   "url": "https://www.wikidata.org/wiki/Q133445760",
   "reads": true,
   "writes": false,
   "license": "GNU Lesser General Public License",
   "open_source": true
  },
  {
   "name": "digiKam",
   "url": "https://www.digikam.org/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 2.0 or later",
   "open_source": true
  },
  {
   "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": "libexiv2",
   "url": "https://exiv2.org/",
   "reads": true,
   "writes": true,
   "license": "GNU General Public License, version 2.0 or later",
   "open_source": true
  }
 ],
 "projects": [
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/PGF_(Progressive_Graphics_File)",
   "kind": "wiki"
  },
  {
   "name": "PRONOM fmt/1128",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/1128",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q1374976",
   "url": "https://www.wikidata.org/wiki/Q1374976",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "ffw",
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-24",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}