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Editors' Rating:
Editors' Rating:
Very good
Average User Rating:
out of 227 votes out of 227 votes

Quick Specs

  • Version:
  • Total Downloads:
  • Date Added:
    Mar. 09, 2018
  • Price:
  • File Size:
  • Downloads Last Week:
  • Platform:
  • Product ranking:
    #1 in eBooks

Editors' Review

An all-in-one solution for handling your e-books, Calibre does for electronic books just what iTunes does for music, allowing you to manage your digital book collection through an intuitive albeit overcrowded interface while offering excellent support for converting books to different formats and editing their metadata. The only area where the software is lacking is its e-book reader; it doesn't allow you to highlight or add notes to your books.


E-book converter: With Calibre you can take an e-book in one file format and convert it to another that is supported by your e-book reading device and, if you're not happy with the result, you can tweak the conversion settings and even manually edit the book's contents and formatting. It took us four seconds to convert a 40-page e-book from PDF to ePub.

E-book reader: The software comes with a basic e-book reader that supports fullscreen mode for distraction-free reading and that lets you choose your preferred method of pagination and gives you the ability to bookmark pages. Unfortunately, there is no way to annotate, highlight, or augment the book's contents short of editing the book itself.

E-book organizer: Similar to iTunes, the app is much more than an e-book reader: it acts also as your e-book library, providing a central place where you can organize and sort your collection and allowing you to edit the book's metadata and even pull information automatically from places like Google and Amazon. On the back-end, each author gets his or her own folder and each e-book gets its own subfolder, which contains all versions of the given book along with its metadata.


Crowded interface: There is a lot going on when you start using the app; just on the main screen there are three search fields and 15 buttons, many of which come with drop-down menus. Fortunately, primary functions are thoughtfully placed where you would expect them to be, so the learning curve is not too steep.

Bottom Line

If you're a serious e-book fan and read on more than one device, you should definitely give Calibre a try. Using this open-source software, you can have all the different versions of your books together in one library while keeping the actual files neatly organized in intelligently named folders.

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Full Specifications

What's new in 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 Preferences->Toolbars & menus

Bug fixes

  • Server: Fix server becoming unresponsive if a client sends invalid SSL data at exactly the right moment
  • Conversion heuristics: Make unwrapping recognize Georgian letters as well.
  • Make de-serialization of stored conversion options safe against maliciously crafted input
  • E-book viewer: Change the file format used to import/export bookmarks to use JSON. This prevents malicious bookmarks files from causing code execution.
  • Make the history completion for the search and replace edit box case-sensitive.
  • PDF Output: When the input document contains multiple anchors with the same value, use the first anchor rather than the last. This follows browser behavior.
  • FB2 Input: Add <div> to <blockquote> content to silence the useless epubcheck

New news sources

  • Granta by Gary Arnold

Improved news sources

  • WirtschaftsWoche Online
  • Spektrum der Wissenschaft
Publisher Kovid Goyal
Publisher web site
Release Date March 09, 2018
Date Added March 09, 2018
Version 3.19.0
Category Educational Software
Subcategory eBooks
Operating Systems
Operating Systems Windows Vista/7/8/8.1/10
Additional Requirements None
Download Information
File Size 60.55MB
File Name calibre-3.19.0.msi
Total Downloads 577,641
Downloads Last Week 336
License Model Free
Limitations Not available
Price Free
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