Quick summary

Calibre is a free, open-source application that helps you collect, manage, and read electronic books on desktops, laptops, and e-reader devices. It offers a bold, easy-to-use interface with drag-and-drop importing and a variety of tools for organizing your library.

Main capabilities

  • Convert virtually any ebook format to DOCX (Microsoft Word), preserving images and tables.
  • Bulk-edit metadata like title, author, and genre for groups of books at once.
  • Import ebooks simply by dragging files into the program window.
  • Synchronize your library with many e-reader devices so your collection stays current.
  • Download and compile news feeds from websites into readable ebook form.

Reading features and controls

Calibre opens books in a built-in reader window where you can adjust the font size for comfort, add and manage bookmarks, and navigate easily between sections. Viewing a title is just a single click from the main interface.

Organization and metadata

Editing metadata is straightforward: select a book (or multiple titles), open the metadata editor, and enter your changes. The tool supports batch changes, making it simple to apply consistent tags, genres, or series information across many entries.

Extras and limitations

  • News-feed conversion is available, but output layouts may occasionally appear awkward depending on the source.
  • The program is free and community-maintained, making it a strong choice for book lovers who prefer open-source software.

Recent update

Calibre now includes a feature to convert ebooks into Microsoft Word (DOCX) files while retaining images, tables, and formatting elements.

Technical

Title
Calibre
Requirements
  • Windows
  • Mac
Language
No language has been specified.
Available languages
License
  • Free
Latest update
2025-12-28
Author
Kovid Goyal

Calibre for other platforms

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