calibre: The one stop solution for all your e-book needs. Comprehensive e-book software.

Calibre is the most capable free e‑book manager available—feature‑rich, adaptable, and supported by a passionate global community. Whether you want to download calibre, manage your digital library, …

Feb 27, 2026 · Organise, convert, and manage your eBooks effortlessly with Calibre—a powerful, free tool that puts you in control of your entire digital library. For Windows, macOS and Linux computer …

Feb 27, 2026 · Calibre is a free and open source e-book library management application developed by users of e-books for users of e-books. Calibre is an e-book library manager. It can view, convert and...

We’re constantly improving and expanding Calibre. Check what we recently released on our Changelog.

4 days ago · The Calibre-Web-Automated fork is everything you need if you are tired of how outdated the original app is.

Feb 20, 2026 · Calibre is a library for eBooks. It has a big, bold interface that's really easy to use, and ebook files of most formats can just be dragged into the Calibre window. Editing the metadata (title, …

calibre: The one stop solution for all your e-book needs. Comprehensive e-book software.

22 hours ago · A new version of calibre Portable has been released by PortableApps.com. calibre is an ebook manager, converter, and viewer with support for a variety of formats and devices.

You can connect to calibre using just Chrome or Firefox on the phone, and manage your collection and even read books in the browser, using the calibre Content server.