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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 3.19.0:
New features
  • Driver for the new PocketBook 740
  • Allow using relative URLs in comments type metadata. The relative URLs are interpreted relative to the book folder in the calibre library
  • Edit book: Reports: Do not show characters from the HTML markup in the characters report.
  • Allow adding the Virtual library button to any toolbar/menu via


  • OS X 10.9.5 or later

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calibre User Discussion

4.1 319


Current Version (3.x)


Downloads 1,104,829
Version Downloads 1,891
License Free
Date 09 Mar 2018
Platform Intel 64 / OS X
Price Free
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