ZIM File Documentation

Overview

Feature Value
Format Name ZIM (OpenZIM Wiki Archive)
Primary Use Offline storage of webpage content
Compression Yes, LZMA or Zstandard
File Extension .zim
MIME Type application/zim
Standard OpenZIM
Developed By OpenZIM Project
Main Purpose Access to wiki content offline
Multi-file Capability No, single archive
Text Encoding UTF-8
Indexing URL and title indexes included
Images and Videos Included within the ZIM file
Compression Supported LZMA, Zstandard
Max File Size Limited by the file system
Encryption Not supported
Streaming No
Random Access Supported
Checksum MD5 checksum for integrity
Metadata Included (title, publisher, etc.)
Software Compatibility Kiwix and other ZIM readers