Efficient management for your digital library
calibre is an e-book manager. It can view, convert, edit and catalog e-books in all of the major e-book formats. It can also talk to e-book reader devices. It can go out to the internet and fetch metadata for your books. It can download newspapers and convert them into e-books for convenient reading. It is cross platform, running on Linux, Windows and macOS.
New features
- Conversion: Add support for reading images in the JPEG XL format
- Conversion: Add support for CSS Level 4 selectors
- Edit book: Check book: Add a check for dangling ARIA references and update ARIA references when auto fixing invalid ids
Closes tickets: 2170895
- MOBI/AZW3/PDB Output: Speed up compression, making conversion to these formats faster
- Content server/E-book viewer: Honor the prefers-reduced-motion setting of the operating system
- Speed up adding books and starting calibre in large libraries with the Tag browser hidden
- Catalogs: Use calibre as the creator of generated catalogs and record the generation date as the publication date
Closes tickets: 2022353
- Create your own Adventure: Improve the character selection screen
Bug fixes
- PDF Input: Fix a regression in the previous release that broke conversion of some PDF files
Closes tickets: 2170990
- EPUB 3 conversion: Fix a regression in the previous release that caused invalid navigation markup to be generated
Closes tickets: 2170400
- Fix a regression in the previous release that caused non-breaking spaces to be converted to regular spaces in comments and text columns
Closes tickets: 2170595
- PDF Output: Fix a blank page at the end of chapters in some multi column layouts
Closes tickets: 2170285
- Amazon and Google Images metadata sources: Get them working again using camoufox
- Various robustness and edge case improvements int he database backed around data files, notes and formats
- Fix various stale cached values for composite columns and searches after changing series, restoring formats from the trash and redefining saved searches
- Fix setting a custom series with the same series index sometimes not being saved
- Fix appending multiple values to custom columns
- Full text search: Fix searching in libraries without book files
- macOS: E-book viewer: Fix the viewer triggering the "access data from other apps" prompt for Google Chrome on macOS 27
Closes tickets: 2170887
- EPUB/MOBI catalog: Sort a series before longer series names that start with it
Closes tickets: 1483666
- EPUB/MOBI catalog: Fix an error when generating catalogs from the GUI with prefix rules
- ODT Input: Preserve restarted list numbering
Closes tickets: 2017568
- Kobo driver: Fix a regression in cover handling for older Tolino firmware and keep dots in filenames on Tolino devices
- Edit book: Fix the choose file dialog when importing books not being kept above the editor window …
| Publisher | Kovid Goyal |
|---|---|
| Version | 9.17.0 |
| Release date | 2026-10-23 |
| License | GPL-3.0 |
| Installer type | wix |
| Architecture | x64 |
| Package ID | calibre.calibre |
Install calibre from the command line with Windows Package Manager (winget):
winget install --id=calibre.calibre -e
A Powerful EBook editor
The next-gen Web and EPUB Editor based on the rendering engine of Firefox®
A cross platform desktop reading app, based on the Readium Desktop toolkit
The Kindle Previewer Is A Great Utility For The Kindle
Send personal documents to your Kindle from your PC.
Kindle Comic Converter is a Python app to convert comic/manga files or folders to EPUB, Panel View MOBI or E-Ink optimized CBZ.
ComicTagger is a multi-platform app for writing metadata to digital comics, written in Python and PyQt.