{
 "id": "gzip-format",
 "name": "GZIP Format",
 "category": "archive",
 "identifiers": {
  "extensions": [
   "gz",
   "z"
  ],
  "mime": [
   "application/gzip"
  ],
  "puid": [
   "x-fmt/266"
  ],
  "uti": [
   "org.gnu.gnu-zip-archive"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "1f8b08",
    "notes": "GZIP format"
   }
  ],
  "signatures": [
   {
    "name": "GZIP format",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "1f8b08"
     }
    ]
   }
  ]
 },
 "status": "partial",
 "summary": "An archive format primarily for Unix/Linux operating systems and which utilizes the GNU zip (gzip) compression method.",
 "projects": [
  {
   "name": "Kaitai Struct: gzip",
   "url": "https://formats.kaitai.io/gzip/",
   "kind": "grammar",
   "license": "CC0-1.0"
  },
  {
   "name": "PRONOM x-fmt/266",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/x-fmt/266",
   "kind": "format-doc"
  }
 ],
 "provenance": {
  "sources": [
   "kaitai",
   "pronom"
  ]
 },
 "updated": "2026-10-24",
 "parsers": [
  {
   "engine": "kaitai",
   "url": "https://github.com/kaitai-io/kaitai_struct_formats/blob/master/archive/gzip.ksy",
   "license": "CC0-1.0"
  }
 ],
 "aliases": [],
 "structure": [],
 "tools": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": []
}