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Calibre is an open source complete e-library solution. It offers library management, format conversion, news feeds to ebook conversion as well as e-book reader sync features.

Calibre is primarily a ebook cataloging program. It manages your ebook collection for you. It is designed around the concept of the logical book, i.e. a single entry in the database that may correspond to ebooks in several formats. It also upports conversion from a dozen different ebook formats to LRF and EPUB. A graphical interface to the conversion software can be accessed easily by just clicking the "Convert E-books" button.

Calibre has a modular device driver design that makes adding support for different e-reader devices easy. At the moment, it has support for the SONY PRS 500/505/700 and the iPhone (with the stanza reader software). Syncing supports updating metadata on the device from metadata in the library and the creation of collections on the device based on the tags defined in the library view. If an book has more than one format available, calibre automatically chooses the best format when uploading to the device.

Calibre can automatically fetch news from a number of websites/RSS feeds, format the news into a ebook and upload to a connected device. There is support for generating LRF/EPUB ebooks. The ebooks include the *full* versions of the articles, not just the summaries.

Calibre has also a built-in ebook viewer that can display all the major ebook formats.

 Calibre 1.38.0

Free to download



Calibre Team


System Requirements
Python 2.7.1 or higher (not 3.x)
Python Imaging Library 1.1.6 or higher
Qt 4.8.0 or higher
PyQt 4.9.6 or higher
python-mechanize 0.1.11
ImageMagick 6.5.9 or higher
xdg-utils 1.0.2 or higher
lxml 2.2.1 or higher
python-dateutil 1.4.1 or higher
cssutils 0.9.7a3 or higher
BeautifulSoup 3.0.5 or higher
dnspython 1.6.0 or higher
poppler 0.20.2 or higher
podofo 0.8.2 or higher
libwmf 0.2.8 or higher
chmlib 0.40 or higher
ICU 4.4 or higher

User Manual, FAQ, Video Tutorials, Tutorials

Selected Reviews:
Manga Xanadu

Features include:

  • Library management
    • Designed around the concept of the logical book
    • Sort books by:
      • Title
      • Author
      • Date
      • Publisher
      • Rating
      • Size
      • Series
    • Supports extra searchale metadata
      • Tags
      • Comments
  • Supports the conversion of many input formats to many output formats
  • Output Formats: EPUB, FB2, OEB, LIT, LRF, MOBI, PDB, PML, RB, PDF, SNB, TCR, TXT
  • Syncing to e-book reader devices
  • Fetch news from websites and RSS fees
    • Over 300 hundreds news sources
    • Plugin based
  • Viewer:
    • Displays all major ebook formats
    • Table of Contents
    • Full screen mode
    • Bookmarks
    • CSS
    • Reference mode
    • Printing
    • Searching
    • Dictionary lookup
    • Copying test and images
    • Customization of rendering
    • Embedded fonts
    • Highly customizable
  • Built-in web server to view ebook collection using a web browser over the net
    • Email books
    • Download news
    • Support for mobile devices
  • Grid view of book covers
  • Virtual libraries
  • Conversion of Microsoft Word documents
  • Full support for font embedding
  • Easy to use tool to edit the Table of Contents

Calibre in action

Calibre in action

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Last Updated Tuesday, May 27 2014 @ 04:05 PM EDT

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