ZIM (file format)

The ZIM file format is an open file format that stores wiki content for offline usage.[1] Its primary focus is the contents of Wikipedia and other Wikimedia projects.

This article is about the open file format. For the personal wiki software, see Zim (software).
Kiwix on an Android-powered tablet shown the article from Wikipedia for Schools in offline usage

The format allows for the compression of articles, features a full-text search index and native category and image handling similar to MediaWiki, and the entire file is easily indexable and readable using a program like Kiwix – unlike native Wikipedia XML database dumps.

In addition to the open file format, the openZIM project provides support for an open-source ZIM reader called Kiwix.

ZIM stands for "Zeno IMproved",[2][3] as it replaces the earlier Zeno file format. Its file compression uses LZMA2, as implemented by the xz-utils library, and, more recently, Zstandard. The openZIM project is sponsored by Wikimedia CH, and supported by the Wikimedia Foundation.

References
  1. "openZIM project wiki". Retrieved 4 April 2012.
  2. "Zeno File Format". openZIM.org. Retrieved 10 April 2012.
  3. ".ZIM File". FILExt. Retrieved 10 April 2012.
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