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Calibre 5.12.0


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 5.12.0 new features:

  • E-book viewer: When searching start the search from the current position, jumping to the first match at or after the current page. Closes tickets: 1915773

  • E-book viewer: Have the Table of Contents view automatically scroll to keep the chapter being read currently visible. Closes tickets: 1916411

  • Various improvements to the calibre template language, see

  • Edit book: File browser: Show total size of items in category when hovering over category with mouse

  • Kobo driver: Add support for latest firmware and also an option to choose the color used for cover letterboxing

Bug fixes:

  • E-book viewer: Fix selection popup bar sometimes going off screen when dragging up to the top line of text. Closes tickets: 1915685

  • Get books: Update the Biblio and Chitanka stores for website changes

  • Edit book: Fix editing of JavaScript files not working. Closes tickets: 1915770

Improved news sources:

  • Slate

  • Harper's Magazine

Download: Calibre 5.12.0 for Windows | Portable | Windows 64-bit | ~100.0 MB (Open Source)
Download: Calibre 5.12.0 for MacOS | 144.0 MB
Download: Calibre 5.12.0 for Linux
View: Calibre Home Page | Calibre Screenshot

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