Calibre (software)

Calibre
Original author(s)Kovid Goyal
Initial release31 October 2006 (2006-10-31)
Stable release
8.4.0[1] Edit this on Wikidata / 9 May 2025
Repository
Written inPython, C++, C
Operating systemWindows, macOS, Linux
PlatformIA-32, x64
TypeE-book reader, word processor
LicenseGPL-3.0-only
Websitecalibre-ebook.com

Calibre (pronounced /ˈkæl.ɪ.bə(ɹ)/, /ˈkæl.ə.bɚ/, or cal-i-ber) 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. Editing books is supported for EPUB and AZW3 formats. Books in other formats like MOBI must first be converted to those formats, if they are to be edited. Calibre also has a large collection of community contributed plugins.[2]

  1. ^ "version 8.4.0". 9 May 2025. Retrieved 11 May 2025.
  2. ^ "Index of calibre plugins". plugins.calibre-ebook.com. Retrieved 2023-12-12.

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