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Calibre for Mac

By Kovid Goyal Free Editors' Rating

Key Details of Calibre

  • Manage your e-book library and sync to reader devices
  • Last updated on 09/21/20
  • There have been 5 updates within the past 6 months

Editors' Review

Download.com Staff Feb 24, 2013

For those with certain e-reader devices, working with e-books on a computer can be difficult. Calibre for Mac is a free program that helps you manage your e-book libraries and create e-books from other sources for use on portable devices.

Calibre for Mac is an open-source freeware program, and it's easy to download and install. The initial setup is easy, but requires an e-mail address to link to the user's e-reader. Once this is done, the user is prompted to go to an outside Web site for more instructions on using the program, and some streaming demonstration videos. These covered the program generally, as well as specific, more complicated features. The interface is a little cluttered and confusing, making thorough reading of the instruction manual necessary. Fortunately, this popped up immediately after we started the program.

Despite the fact that the program is freeware, it offers functions beyond simply organizing and managing an e-book library. Calibre converts files between multiple e-book formats, allowing users to read books on different devices and even generate e-books out of Internet news sites for use in an e-reader later. It can also search out availability of e-books across many Internet sites.

For those with the time to work through its manual to learn all available features, Calibre for Mac may be a great option for e-book library management, especially considering that it's free.

Full Specifications

What's new in version 4.23

Edit book: In dark mode, make the preview panel also dark.


Release September 21, 2020
Date Added September 21, 2020
Version 4.23

Operating Systems

Operating Systems Macintosh
Additional Requirements
  • macOS Catalina
  • macOS Mojave


Total Downloads 115,750
Downloads Last Week 33
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User Reviews

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Developer's Description

Calibre is a one stop solution to your e-book needs. It is free, open source and cross-platform in design. Calibre is meant to be a complete e-library solution and thus includes library management, format conversion, news feeds to e-book conversion, as well as e-book reader sync features and an integrated e-book viewer. Calibre's features include: 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; giving you access to your book collection over the internet using just a browser.

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