Calibre 8.3



Calibre is an open source e-book library management application that enables you to manage your e-book collection, convert e-books between different formats, synchronize with popular e-book reader devices, and read your e-books with the included viewer.

It acts as an e-library and also allows for 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.

Calibre 8.3 changelog:

New features

  • Cover grid: Allow configuring different backgrounds for light and dark mode in Preferences->Look & feel->Cover grid
  • E-book viewer: Further speedup first open of large EPUB files by another 30%
  • Metadata review dialog: Add merge comments action

Bug fixes

  • Kobo driver: Fix viewing of KEPUB files from the device view in calibre not working
  • Fix a regression in 8.1 that broke displaying of the debug log when running in debug mode
  • E-book viewer: Fix a regression in 8.0 that caused the clock to display an extra p after the time

Improved news sources

  • GoComics
  • Internazionale
  • New York Times
  • SCMP
  • The Hindu
  • Barrons