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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

What's New

Version 2.63.0:
New Features
  • News download: Allow controlling which periodicals are automatically sent to a specific email in Preferences->Sharing by email
  • Edit Book: Update regex engine to support Unicode 9.0
Bug Fixes
  • Edit metadata dialog: Fix pasting ISBN from clipboard not stripping garbage characters after a valid ISBN.
  • Edit Book: Also



  • OS X 10.7.2 or later

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calibre User Discussion

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Current Version (2.x)


Downloads 1,007,124
Version Downloads 1,998
License Free
Date 22 Jul 2016
Platform Intel 64 / OS X
Price Free
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