{
 "id": "secure-djvu",
 "name": "Secure DjVU",
 "category": "image",
 "identifiers": {
  "extensions": [
   "djvu",
   "djv"
  ],
  "mime": [
   "image/vnd.djvu",
   "image/x-djvu"
  ],
  "puid": [
   "fmt/318"
  ],
  "wikidata": [
   "Q59999365"
  ],
  "magic": [
   {
    "offset": 0,
    "hex": "53444a56",
    "notes": "Secure DjVu"
   }
  ],
  "signatures": [
   {
    "name": "Secure DjVu",
    "sequences": [
     {
      "position": "bof",
      "offset": 0,
      "pattern": "53444a56"
     }
    ]
   }
  ]
 },
 "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’.",
 "tools": [
  {
   "name": "ACD FotoCanvas Lite",
   "url": "https://www.wikidata.org/wiki/Q116994901",
   "reads": true,
   "writes": false
  },
  {
   "name": "ACDSee 5",
   "url": "https://www.wikidata.org/wiki/Q116957642",
   "reads": true,
   "writes": false
  },
  {
   "name": "ABBYY FineReader 11",
   "url": "https://pdf.abbyy.com/",
   "reads": true,
   "writes": true,
   "license": "end-user license agreement",
   "via": "djvu"
  },
  {
   "name": "Abydos",
   "url": "https://www.wikidata.org/wiki/Q133445760",
   "reads": true,
   "writes": false,
   "license": "GNU Lesser General Public License",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "Converseen",
   "url": "https://converseen.fasterland.net/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "CropTool",
   "url": "https://croptool.toolforge.org/",
   "reads": true,
   "writes": false,
   "license": "MIT License",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "DjVuLibre",
   "url": "https://djvu.sourceforge.net/",
   "reads": true,
   "writes": true,
   "license": "GNU General Public License, version 2.0 or later",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "Evince",
   "url": "https://gitlab.gnome.org/GNOME/evince",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 2.0",
   "open_source": true,
   "via": "djvu"
  },
  {
   "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,
   "via": "djvu"
  },
  {
   "name": "FBReader",
   "url": "https://fbreader.org",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "gscan2pdf",
   "url": "http://gscan2pdf.sourceforge.net/",
   "reads": false,
   "writes": true,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "Hanlin eReader",
   "url": "https://www.wikidata.org/wiki/Q812797",
   "reads": true,
   "writes": false,
   "via": "djvu"
  },
  {
   "name": "IrfanView",
   "url": "https://www.irfanview.com/",
   "reads": true,
   "writes": false,
   "license": "freeware",
   "via": "djvu"
  },
  {
   "name": "Lector",
   "url": "https://github.com/BasioMeusPuga/Lector",
   "reads": true,
   "writes": false,
   "via": "djvu"
  },
  {
   "name": "Okular",
   "url": "https://okular.kde.org",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 2.0",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "Onyx Boox",
   "url": "https://euroshop.boox.com/",
   "reads": true,
   "writes": false,
   "via": "djvu"
  },
  {
   "name": "PhotoRec",
   "url": "http://www.cgsecurity.org/wiki/PhotoRec",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "Q1047199",
   "url": "https://imagemagick.org",
   "reads": true,
   "writes": false,
   "license": "ImageMagick License",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "Q131382357",
   "url": "https://wiki.mate-desktop.org/mate-desktop/applications/atril/",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 2.0",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "Q479808",
   "url": "https://www.sumatrapdfreader.org",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "Q747793",
   "url": "https://calibre-ebook.com",
   "reads": true,
   "writes": false,
   "license": "GNU General Public License, version 3.0",
   "open_source": true,
   "via": "djvu"
  },
  {
   "name": "STDU Viewer",
   "url": "https://web.archive.org/web/20150224145333/http://stdutility.com/stduviewer.html",
   "reads": true,
   "writes": false,
   "license": "freeware",
   "via": "djvu"
  }
 ],
 "projects": [
  {
   "name": "PRONOM fmt/318",
   "url": "https://www.nationalarchives.gov.uk/PRONOM/fmt/318",
   "kind": "format-doc"
  },
  {
   "name": "Wikidata Q59999365",
   "url": "https://www.wikidata.org/wiki/Q59999365",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "pronom",
   "wikidata"
  ]
 },
 "updated": "2026-10-20",
 "aliases": [],
 "structure": [],
 "parsers": [],
 "conversions": [],
 "samples": [],
 "claims": [],
 "verification": [],
 "family": "djvu"
}