Vetted Score
4.7
/ 5.0
Earns a high score for its robust feature set, cross‑platform support, and active open‑source community, making it the go‑to tool for e‑book enthusiasts.
Key Features
Comprehensive Library Management
Organize, tag, and sort thousands of e‑books with powerful metadata editing and search.
Format Conversion
Convert between all major e‑book formats (ePub, MOBI, PDF, AZW3, etc.) with a single click.
Integrated E‑book Viewer
Read e‑books directly within Calibre, supporting annotations, bookmarks, and customizable fonts.
News Fetcher & Recipe Builder
Automatically download news articles and blogs, converting them into e‑book formats for offline reading.
Frequently Asked Questions
Yes, Calibre is 100% free and open-source software with no hidden fees or subscription plans.
Calibre runs natively on Windows, macOS, and Linux distributions.
Calibre supports conversion between most major e‑book formats, including ePub, MOBI, PDF, AZW3, and many others.
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Specifications
Pricing Model
Completely free and open-source; no paid or enterprise tiers.
Supported Platforms
WindowsmacOSLinux