{
 "id": "lzma-file-format",
 "name": ".lzma File Format",
 "category": "other",
 "identifiers": {
  "extensions": [
   "lzma"
  ],
  "mime": [
   "application/x-lzma"
  ],
  "wikidata": [
   "Q29208953"
  ]
 },
 "status": "writable",
 "summary": "file format for compressed data",
 "tools": [
  {
   "name": "7-Zip (WebAssembly)",
   "url": "https://github.com/use-strict/7z-wasm",
   "license": "LGPL-2.1-or-later (unRAR restriction)",
   "open_source": true,
   "reads": true,
   "writes": false
  },
  {
   "name": "B1 Free Archiver",
   "url": "http://www.b1.org/",
   "reads": true,
   "writes": false,
   "license": "proprietary license"
  },
  {
   "name": "libarchive",
   "url": "https://libarchive.org/",
   "reads": true,
   "writes": true,
   "license": "2-clause BSD License",
   "open_source": true
  },
  {
   "name": "ouch",
   "url": "https://crates.io/crates/ouch",
   "reads": true,
   "writes": false,
   "license": "MIT License",
   "open_source": true
  },
  {
   "name": "Q215051",
   "url": "https://7-zip.org",
   "reads": true,
   "writes": false,
   "license": "GNU Lesser General Public License",
   "open_source": true
  },
  {
   "name": "Q539460",
   "url": "https://tukaani.org/xz/",
   "reads": true,
   "writes": true,
   "license": "GNU Lesser General Public License, version 2.1 or later",
   "open_source": true
  }
 ],
 "projects": [
  {
   "name": "Wikidata Q29208953",
   "url": "https://www.wikidata.org/wiki/Q29208953",
   "kind": "wiki"
  },
  {
   "name": "File Formats Wiki",
   "url": "http://fileformats.archiveteam.org/wiki/LZMA_Alone",
   "kind": "wiki"
  }
 ],
 "provenance": {
  "sources": [
   "engines",
   "wikidata"
  ]
 },
 "updated": "2026-10-25",
 "conversions": [
  {
   "to": "zip",
   "tool": "7-Zip (WebAssembly)",
   "command": "In the browser at https://openformatdb.org/convert/, or convert_file in the OpenFormatDB MCP server",
   "fidelity": "lossless",
   "losses": "Files are kept; archive comments, permissions or encryption may not be.",
   "url": "https://openformatdb.org/convert/",
   "engine": "7zip"
  },
  {
   "to": "7z",
   "tool": "7-Zip (WebAssembly)",
   "command": "In the browser at https://openformatdb.org/convert/, or convert_file in the OpenFormatDB MCP server",
   "fidelity": "lossless",
   "losses": "Files are kept; archive comments, permissions or encryption may not be.",
   "url": "https://openformatdb.org/convert/",
   "engine": "7zip"
  },
  {
   "to": "tape-archive",
   "tool": "7-Zip (WebAssembly)",
   "command": "In the browser at https://openformatdb.org/convert/, or convert_file in the OpenFormatDB MCP server",
   "fidelity": "lossless",
   "losses": "Files are kept; archive comments, permissions or encryption may not be.",
   "url": "https://openformatdb.org/convert/",
   "engine": "7zip"
  }
 ],
 "aliases": [],
 "structure": [],
 "parsers": [],
 "samples": [],
 "claims": [],
 "verification": []
}