
Calibre serves as a powerful, open-source e-book library management system designed to help users efficiently manage their digital book collections. This comprehensive software allows for easy conversion of e-book formats, synchronization with a variety of popular e-reader devices, and even provides an integrated viewer for reading e-books directly.
Key Features of Calibre
Calibre acts not only as an electronic library but also offers an array of functionalities that enhance the user experience, such as:
- Advanced library management tools
- Format conversion for all major e-book formats
- Synchronization capabilities with e-book reader devices
- Fetching news from the web and transforming it into e-book content
- An integrated viewer that supports various e-book formats, enabling access to your library from any browser
What’s New in Calibre 8.13.0?
The latest version, Calibre 8.13.0, introduces a range of new features and bug fixes that enhance the overall functionality. Here’s what’s noteworthy:
New Features
- Virtual Libraries: Users can now define search expressions more conveniently using a multi-line edit box.
- Open with: On Windows, specified programs can be launched more smoothly via the Windows API, providing a better separation from the Calibre environment.
Bug Fixes
- Resolved issues with the
ebooks.com
plugin in the Get Books feature. - Fixed a malfunction with the
CALIBRE_OVERRIDE_DATABASE_PATH
in the calibre-server. - Improved the export library functionality to prevent issues with large Full Text Search (FTS) databases on Linux distributions that use RAM for /tmp.
- Corrected a regression from version 8.11 that caused errors while attempting to open books from full-text search results during an active search.
Enhanced News Sources
- Added support for Todoist.
- Improved integration with NZZ (Neue Zürcher Zeitung).
Download Calibre 8.13.0
Ready to enhance your e-book management experience? Download the latest version of Calibre 8.13.0:
- Calibre 8.13.0 (Windows Installer) | ~200.0 MB
- Calibre Portable (Windows)
- Calibre for macOS | 303.0 MB
- Calibre for Linux
For more information, visit the Calibre Home Page or check out the source and images.

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