Calibre
Free e-book management and format conversion for all devices
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GPL-3.0 v9.8.0 May 12, 2026
Since May 2013 7
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AI Summary
Calibre is a comprehensive, free e-book management software that enables conversion between different e-book formats, organization of e-book libraries, and creation of custom e-books. The software solves compatibility issues between different e-reader devices and provides a user-friendly interface for managing digital book collections.
✓ Pros
- + Completely free and Open Source
- + Very user-friendly and intuitive operation
- + Comprehensive features for conversion, management, and e-book creation in one tool
✗ Cons
- − The website appears outdated and offers limited current information
- − No information about supported formats or technical details on this page
Use Cases
- → Convert e-books between different formats to read them on various devices
- → Categorize, sort, and clearly manage large e-book collections
- → Convert your own manuscripts and texts from Word into e-book formats
- → Generate covers for self-created e-books from image files
Who is it for?
Ideal for avid readers, e-book enthusiasts, authors, and anyone who wants to manage a large digital book collection and use it across multiple devices.
