
Calibre is a powerful, open-source application designed for e-book library management. This versatile tool allows users to effectively organize their e-book collections, convert files between various formats, sync content with a variety of popular e-book readers, and even read e-books directly through its integrated viewer.
Functioning as an extensive e-library, Calibre offers robust format conversion capabilities, the ability to convert news feeds into e-book format, and synchronization features with numerous e-reader devices, enhancing accessibility. Its built-in viewer supports a wide range of e-book formats, ensuring that your digital library is always at your fingertips, even when accessed via a standard web browser.
Key Features of Calibre
- Comprehensive library management tools
- Support for conversion among all major e-book formats
- Seamless syncing with various e-book readers
- Automatic fetching of web news and converting it into e-book format
- Variety of supported e-book formats for convenient viewing
What’s New in Calibre 8.11.0
New Features
- E-book Viewer Enhancement: Introduces an “Ask AI”tab in the dictionary lookup panel, enabling users to query AI regarding the selected text.
- AI Model Compatibility: Supports numerous AI models through providers like Google and GitHub, with the option to utilize them at no cost. This feature is entirely optional and requires user configuration to activate.
- Improved Preferences: Displays keyboard shortcuts for various categories in tooltips, enhancing user experience.
Bug Fixes
- Resolved issues with links not functioning in large e-books on Windows.
- Fixed conversion problems with certain PDB files due to slightly malformed headers.
- Corrected an error encountered when adding the first icon rule to the Tag browser.
- Fixed the Esc key not closing footnote popups when they hold keyboard focus in the e-book viewer.
- Updated Windows build to ensure proper signing for.pyd and.dll DLLs.
Enhanced News Sources
- New York Times
- Economist
- The Diplo
- New York Review of Books
Download Calibre 8.11
Get the latest version of Calibre 8.11, which is approximately 200.0 MB and open source, from the following links:
To explore more about Calibre, visit the Calibre Home Page for screenshots and additional resources.

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