{
 "id": "gridded-binary-1-0",
 "name": "Gridded Binary",
 "category": "dataset",
 "identifiers": {
  "extensions": [
   "grb",
   "wmo"
  ],
  "puid": [
   "fmt/284"
  ],
  "wikidata": [
   "Q28206229"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "47524942",
    "notes": "Gridded Binary 1.0"
   }
  ],
  "signatures": [
   {
    "name": "Gridded Binary 1.0",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "47524942{3}01"
     },
     {
      "position": "eof",
      "offset": 0,
      "pattern": "37373737"
     }
    ]
   }
  ]
 },
 "status": "unknown",
 "summary": "This is an outline record only, and requires further details, research or authentication to provide information that will enable users to further understand the format and to assess digital preservation risks associated with it if appropriate. If you are able to help by supplying any additional information concerning this entry, please return to the main PRONOM page and select ‘Add an Entry’.",
 "projects": [
  {
   "name": "PRONOM fmt/284",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/284",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q28206229",
   "url": "https://www.wikidata.org/wiki/Q28206229",
   "kind": "wiki"
  },
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/GRIB",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "version": "1.0",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "tools": [
  {
   "name": "GDAL (WebAssembly)",
   "url": "https://gdal3.js.org",
   "license": "LGPL-2.1-or-later / MIT",
   "open_source": true,
   "reads": true,
   "writes": false,
   "via": "grib"
  },
  {
   "name": "GMS",
   "url": "http://aquaveo.com/software/gms-groundwater-modeling-system-introduction",
   "reads": true,
   "writes": false,
   "via": "grib"
  },
  {
   "name": "GNU Data Language",
   "url": "https://gnudatalanguage.github.io/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 2.0",
   "open_source": true,
   "via": "grib"
  },
  {
   "name": "imageio",
   "url": "http://imageio.github.io/",
   "reads": true,
   "writes": false,
   "license": "2-clause BSD License",
   "open_source": true,
   "via": "grib"
  },
  {
   "name": "Mathematica",
   "url": "https://www.wolfram.com/mathematica/",
   "reads": true,
   "writes": false,
   "license": "proprietary license",
   "via": "grib"
  },
  {
   "name": "NCAR Command Language",
   "url": "https://www.ncl.ucar.edu/",
   "reads": true,
   "writes": false,
   "license": "Apache Software License 2.0",
   "open_source": true,
   "via": "grib"
  }
 ],
 "conversions": [
  {
   "to": "geotiff",
   "tool": "GDAL (WebAssembly)",
   "command": "In the browser at https://openformatdb.org/convert/, or convert_file in the OpenFormatDB MCP server",
   "fidelity": "lossless",
   "losses": "Values kept; some metadata or band descriptions may be dropped.",
   "url": "https://openformatdb.org/convert/",
   "engine": "gdal",
   "via": "grib"
  },
  {
   "to": "esri-arc-info-ascii-grid",
   "tool": "GDAL (WebAssembly)",
   "command": "In the browser at https://openformatdb.org/convert/, or convert_file in the OpenFormatDB MCP server",
   "fidelity": "lossless",
   "losses": "Values kept; some metadata or band descriptions may be dropped.",
   "url": "https://openformatdb.org/convert/",
   "engine": "gdal",
   "via": "grib"
  },
  {
   "to": "xyz-file-format",
   "tool": "GDAL (WebAssembly)",
   "command": "In the browser at https://openformatdb.org/convert/, or convert_file in the OpenFormatDB MCP server",
   "fidelity": "lossless",
   "losses": "Values kept; some metadata or band descriptions may be dropped.",
   "url": "https://openformatdb.org/convert/",
   "engine": "gdal",
   "via": "grib"
  },
  {
   "to": "portable-network-graphics",
   "tool": "GDAL (WebAssembly)",
   "command": "In the browser at https://openformatdb.org/convert/, or convert_file in the OpenFormatDB MCP server",
   "fidelity": "lossy",
   "losses": "Values scaled to 8-bit greyscale for viewing; georeferencing is dropped.",
   "url": "https://openformatdb.org/convert/",
   "engine": "gdal",
   "via": "grib"
  }
 ],
 "samples": [],
 "claims": [],
 "verification": [],
 "family": "grib"
}