calibre

Calibre is a complete e-book library manager. Organize your collection, convert your books to multiple formats, and sync with all of your devices. Let Calibre be your multi-tasking digital librarian.

Manage, convert, sync, and more

• Library management. Calibre keeps things orderly by creating single entries for books that contains multiple formats. Add tags and comments for better searchability.
• Format conversion. Calibre's robust conversion options support a wide variety of file formats.
• File syncing. Calibre's device drivers seamlessly support all the top e-readers and devices.

New features

• Content server: Implement the "Copy to library" function. To use it click the three dots in the top right corner of a book's page and choose "Copy to library"Closes tickets: 1810486
• Content server: Add Next/Previous buttons to the book details page

Bug fixes

• Content server: Fix editing metadata that affects multiple books causing all the metadata for all the books to become the same.Closes tickets: 1812781
• Open With: Fix using .bat files as the program not working.Closes tickets: 1811045
• ZIP Output: Fix an error when building the ToC on macOS for some books with non-ASCII ToC entriesCloses tickets: 1813905
• Edit book: Check book: Follow recent releases of epubcheck in expecting .ttf files to have the mime-type application/vnd.ms-opentype in EPUB 3 books
• Fix font mime-types not being auto-corrected when upgrading EPUBs from 2 to 3
• Content server: Try to detect if a book file has been edited outside of calibre and serve the updated copy
• Fix merging books not updating author if the source book has no title
• Content server: Fix heading for custom comments columns being duplicated in the book details page
• Fix editing of dates not working is the date format is set to iso.Closes tickets: 1812560
• Version 3.39.1 fixes a bug in 3.39.0 that broke copy to library for books that have saved conversion optionsCloses tickets: 1814279

New news sources

• BSI News by Volker Heggemann
• Science Advances by Jose Ortiz
• Improved news sources
• Spiegel Online
• Il Post