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Editors’ Review

Download.com staff

Calibre (64-bit) is a one-stop shop for organizing, reading, and converting your e-book collection. This program has stood out for years as an open-source powerhouse, providing a level of control and functionality that few other free applications can match. It’s an essential tool for managing your personal e-book library.

For those looking for alternatives, there are a few options, though none are as comprehensive as Calibre. While programs like Adobe Digital Editions are popular, they often tie users to specific, DRM-locked formats. Alfa Ebooks Manager, meanwhile, offers a more streamlined, user-friendly experience but lacks depth in functionality.

Take control of your e-books

Calibre (64-bit) boasts a robust set of organizational capabilities, starting with a user-friendly Welcome Wizard that helps you set up your library from the get-go. This feature makes it easy to create a designated library folder or even set it up on an external drive. With support for a vast range of e-reader devices, this tool ensures that your digital library is accessible no matter what hardware you're using.

Beyond simple organization, the program’s file conversion and metadata editing tools are truly top-tier. It can seamlessly convert books between a multitude of formats, including EPUB, MOBI, and PDF, so that you can have your e-books in the right format. The metadata editor lets you clean up titles, add tags, and sort your collection with precision. You can also expand your library for free using the Get Books feature.

While its feature set is extensive, this software is not without its drawbacks. Its user interface can be overwhelming, cluttered, and feel outdated. The sheer number of buttons, menus, and options can also create a steep learning curve for new users, making simple tasks a little bit more complicated. This clunky design can be a significant barrier for those who just want to manage their library quickly.

Enlarged image for Calibre (64-bit)
Calibre (64-bit) 0/4
  • Pros

    • Easy to set up
    • Extensive device compatibility
    • Robust file conversion and organization tools
  • Cons

    • Cluttered and dated user interface
    • Not beginner-friendly

Bottom Line

An all-around tool for digital readers

Calibre (64-bit) is an invaluable tool for anyone serious about managing their e-book collection. The software offers robust features, from comprehensive device compatibility and powerful conversion tools to detailed library management. Although its user interface is a bit dated and intimidating for some, the payoff in functionality is well worth the effort. It's a free application that feels premium and is an essential download for any digital reader.

What’s new in version 8.7.0

  • Added support for generating page numbers (APNX) on newer Kindle devices
  • Improved search function by ignoring the et al. suffix on author names
  • Fixed issues with configuring book sending to devices and compatibility with older Kobo e-readers
  • Improved edit metadata dialog
  • Expanded news-fetching capabilities with several new sources, including New York Magazine, World Archaeology, and Military History


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Full Specifications

GENERAL
Release
Latest update
Version
8.7.0
OPERATING SYSTEMS
Platform
Windows
Operating System
  • Windows Vista
  • Windows 10
  • Windows 8
  • Windows 7
POPULARITY
Total Downloads
94,838
Downloads Last Week
19

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Last Updated


User Reviews

3.7/5

6 User Votes


Developer’s Description

Manage your e-book library and synchronize to reader devices.
Calibre(64-bit) is program to manage your eBook collection. It acts as an e-library and also allows for format conversion, news feeds to eBook conversion, as well as e-book reader sync features and an integrated e-book viewer. It features library management, format conversion (all major eBook formats), syncing to e-book reader devices, fetching news from the Web and converting it into eBook form, viewing many different e-book formats, and giving you access to your book collection over the internet using just a browser.

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