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Calibre is a complete e-book library manager. Organize your collection, convert your books to multiple formats, and sync with all of your devices. Let Calibre be your multi-tasking digital librarian.

Manage, convert, sync, and more
  • Library management. Calibre keeps things orderly by creating single entries for books that contains multiple formats. Add tags and comments for better searchability.
  • Format conversion. Calibre's robust conversion options support a more...

What's New

Version 2.40.0:
New Features
  • A new tool to apply Tag mapper rules to existing books in the library. To use it, go to Preferences->Toolbars and add the tool to the toolbar.
  • Kindle driver: Detect books in Amazon's new KFX format present on e-ink kindles.
Bug Fixes
  • TXT Output: Do not fail when input contains HTML comments with double hyphens in the comment more...


  • OS X 10.7.2 or later

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4 248


Current Version (2.x)


Downloads 949,225
Version Downloads 698
License Free
Date 08 Oct 2015
Platform Intel 64 / OS X
Price Free
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