Calibre (software) - Wikipedia
Calibre (software)
Calibre (/ˈkælɪbər/KAL-ih-bər)12 is a cross-platform free and open-source suite of e-book software. Calibre supports organizing existing e-books into virtual libraries, displaying, editing, creating and converting e-books, as well as syncing e-books with a variety of e-readers. Calibre has a large collection of community contributed plugins.3
Printed 2026-09-05.
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Footnotes
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Salvette, Paul (21 August 2011). “Calibre Tutorial – eBook Formatting”. Retrieved 9 December 2025. Calibre (pronounced “Caliber”) is an eBook library management system that is open source. ↩
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Goyal, Kovid (2009). “About Calibre: History”. calibre-ebook.com. Archived from the original on 8 December 2025. Retrieved 17 December 2025. The name calibre was chosen by my wife, Krittika. The libre in calibre stands for freedom, indicating that calibre is a free and open source product, modifiable by all. Nonetheless, calibre should be pronounced as cali-ber, not ca-libre. ↩
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“Index of calibre plugins”. plugins.calibre-ebook.com. Retrieved 12 December 2023. ↩