Calibre 9.11.0 Free – eBook management software for reading EPUB files.

Download Calibre (64-bit) for free. This popular e-book reader opens EPUB files and manages/converts eBook files. It's the latest version of the e-book reader for PC.

What is Calibre?

Calibre is a powerful and popular e-book management and conversion program, especially among digital book collectors and readers. It's designed to facilitate the organization of e-book collections, allowing users to add metadata such as title, author, and cover art, or group books by genre or topic. Furthermore, Calibre can convert e-book files into various formats supported by many e-readers, including EPUB, MOBI, PDF, and AZW3.

Calibre is a free and open-source software, making it available for download and use without any cost. It also has a supportive online community that continuously develops and improves the program, allowing users to comfortably read books on their preferred device, whether it's an e-reader, tablet, or smartphone. In addition to managing and converting files, Calibre offers other interesting functions such as direct book syncing with e-readers, downloading and managing news from websites, and editing e-book files to improve content or format as needed.

Features of Calibre 

  • Library ManagementCalibre enables efficient management of book collections by allowing users to add, edit, and organize book metadata such as title, author, cover, and description. Books can also be grouped by categories or tags for easier searching.
  • E-book ConversionThis software supports converting book files into various formats such as EPUB, MOBI, AZW3, PDF, and others, allowing for convenient reading on different devices. The conversion also supports customization, such as adjusting font size and optimizing the e-book's appearance.
  • Device SyncingIt can connect and sync books with various e-readers such as Kindle, Nook, and Kobo, making it easy to transfer book files.
  • Editing and Reading E-booksCalibre provides tools for reading and editing e-books. Users can use Calibre to open and read e-books or use the editing tools to improve the content or format of the book.
  • News Downloading and ManagementYou can configure the system to download news from various websites and convert it into e-books for later reading. Additionally, the downloaded news is categorized for easier reading.
  • Multi-Platform SupportCalibre is compatible with multiple operating systems, including Windows, macOS, and Linux, allowing users convenient access and use of the program regardless of the operating system they are using.
  • Data backup and restoration.Users can back up their library's books to prevent data loss and easily recover data in case of problems.
  • Extensions and Support (Plugins and Support)Supports the installation of plugins that add various capabilities and features. Users can search for and install additional plugins as needed.

What's New

File Information

  • Operating System: Windows 11 / 10 (x64)
  • License: Freeware
  • Language: Multilingual
  • Size: 212 / 192 MB
  • File type: msi / exe
  • Updated: 3/7/2026
  • Required Reading: How to Download