{
 "id": "stad-pac-file",
 "name": "STAD PAC File",
 "category": "image",
 "identifiers": {
  "extensions": [
   "pac",
   "seq"
  ],
  "mime": [
   "image/x-stad"
  ],
  "puid": [
   "fmt/1653"
  ],
  "wikidata": [
   "Q28049547"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "704d38",
    "notes": "STAD Pac File"
   }
  ],
  "signatures": [
   {
    "name": "STAD Pac File",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "704d38(35|36)"
     }
    ]
   }
  ]
 },
 "status": "readable",
 "summary": "STAD PAC is a raster graphics format developed by Peter Melzer and associated with the STAD (ST Aided Design) graphics application for Atari ST computers. File headers begin with either of two four character sequences (pM85 and pM86) dependent on whether the image data in the file is horizontally or vertically packed.",
 "tools": [
  {
   "name": "Abydos",
   "url": "https://www.wikidata.org/wiki/Q133445760",
   "reads": true,
   "writes": false,
   "license": "GNU Lesser General Public License",
   "open_source": true
  }
 ],
 "projects": [
  {
   "name": "PRONOM fmt/1653",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/1653",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q28049547",
   "url": "https://www.wikidata.org/wiki/Q28049547",
   "kind": "wiki"
  },
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/STAD_PAC",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}