The ZIM file format is an open file format that stores website content for offline usage.[1] The format is defined by the openZIM project, which also supports an open-source ZIM reader called Kiwix. The format is primarily used to store the contents of Wikipedia and other Wikimedia projects, including articles, full-text search indices and auxiliary files.[2][3]

Kiwix on an Android-powered tablet shown the article from Wikipedia for Schools in offline usage

ZIM stands for "Zeno IMproved",[4][5] as it replaced the earlier Zeno file format. Since 2021, the library defaults to Zstandard file compression[6] and also supports LZMA2, as implemented by the XZ Utils library. The openZIM project is sponsored by Wikimedia CH and supported by the Wikimedia Foundation.

See also

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WARC (file format)

References

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  1. ^ openzim/zimit, openZIM, 2024-09-10, retrieved 2024-09-11
  2. ^ "openZIM project wiki". Retrieved 4 April 2012.
  3. ^ Truong, Kevin (2020-07-10). "You Can Download the Entirety of English Wikipedia to Browse Offline". Vice. Retrieved 2023-07-27.
  4. ^ "Zeno File Format". openZIM.org. Retrieved 10 April 2012.
  5. ^ ".ZIM File". FILExt. Retrieved 10 April 2012.
  6. ^ "Release 7.0.0". Retrieved 9 August 2024.
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