Calibre 3.33.1


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.

New features in Calibre 3.33.1:

  • Driver for the new Kobo Forma

  • PDF Output: Add a new 'page number map' setting to easily modify page numbers as needed in headers/fotters and the generated inline table of contents. Closes tickets: 1796902

  • Edit book: Insert image: remember size of displayed thumbnails. Closes tickets: 1795845

  • Edit book: Compress images losslessly: Remember the last used compression quality for jpeg compression. Closes tickets: 1796950

Bug fixes

  • CHM Input: Fix a regression in the previous release that broke processing of CHM files. Closes tickets: 1796889

  • Fix clearing of metadata download author and tag map rules not working

  • Fix notifications from calibre being displayed as "Others" on the GNOME desktop

Improved news sources

  • Ambito Financiero​

  • Pagina 12


  • The New Zealand Herald

  • Various Polish news sources

Download: Calibre 3.33.1 for Windows | Portable | Windows 64-bit | ~60.0 MB (Open Source)
Download: Calibre 3.33.1 for MacOS | 76.8 MB
Download: Calibre 3.33.1 for Linux
View: Calibre Home Page | Calibre Screenshot

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