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Calibre icon

Calibre

9.8.0
4.8 5 reviews
579.4 k downloads
security security

A superior e-book manager

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Merche Contreras icon
Reviewed by
Merche Contreras
Content Editor
Merche Contreras is part of Uptodown's in-house Editorial Team. Translated by Uptodown Localization Team

Calibre is a powerful solution for managing, organizing and converting e-books. This tool stands out for its built-in reader hassle-free format conversions and its ability to handle large e-book collections, making it an indispensable ally for any digital reading fan.

Efficient organization for large collections

With Calibre, managing large e-book libraries becomes a simple and enjoyable task. The tool allows you to add e-books in multiple formats, such as EPUB, MOBI, PDF, AZW3, TXT and many more, automatically organizing them according to criteria such as title, author, series or tags. You can import files directly from your computer or reading devices, easily syncing your collection without duplicates or clutter. In addition to this, Calibre includes advanced tagging and sorting features, making it easy to find any book in a matter of seconds. You'll also be able to create custom lists, add full metadata and automatically download covers and descriptions from online databases, ensuring that your digital library is always organized and visually appealing.

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Unlimited format conversions

One of the most powerful features of Calibre is that it can convert e-books between a wide variety of formats. This is especially useful when you need to adapt a file to ensure compatibility with a specific device, such as Kindle, Kobo or Nook. The tool not only converts quickly, but it also allows you to customize certain file aspects, such as content structure, fonts and margins. This ensures that you get an optimal result that is tailored to your exact needs. You can even convert documents and text files into e-books, making it easy to create customized content.

Advanced e-book editing

For those who need more in-depth control over their e-books, Calibre includes a full e-book editor that allows you to directly modify the content and structure of the files. You can correct formatting errors, adjust layout styles and even rewrite entire sections. The editor supports both EPUB and AZW3, offering advanced tools such as source code viewing, CSS editing and real-time previews. This makes Calibre an ideal choice for authors, publishers and anyone else who wants to perfect their e-books.

Information about Calibre 9.8.0

Basic information

Developer Kovid Goyal
License Free
Category E-Books
Rating All ages
Languages English
18 more

Security and privacy

Required permissions Not applicable
Advertising Not specified
See security and antivirus report
Why is this app published on Uptodown? (More information)

Download info

Downloads 579,352
Date May 2, 2026
File type MSI
Size 212.43 MB
SHA256 4a223b127d97abcdc9edcb4dd908020f0b48a09f537237a97ca518b3b94d37ac
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Older versions

See more
msi 9.7.0 Apr 10, 2026
msi 9.6.0 Mar 27, 2026
msi 9.5.0 Mar 13, 2026
msi 9.4.0 Feb 27, 2026
msi 9.3.1 Feb 21, 2026
msi 9.3.0 Feb 20, 2026
Available for other platforms

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Comments

wildblackpigeon62298 icon
wildblackpigeon62298
in 2020

Hi, thanks for the software. Can you please explain how is possible to change the dimensions of characters ? Im currently reading an ebook on my kindle, but even if i change dimensions on the device i...See more

16
Reply
pdm42 icon
pdm42
in 2019

Good morning The conversions are definitely good (almost)...if it weren't for the fact that accents never appear (the word is there but without accentuation). Is it possible to fix this? Thanking you,...See more

36
Reply
minime icon
minime
in 2012

Perfect for converting eBooks and completing metadata (cover images, flaps, etc.). Supports almost all devices, connect and drag the files, Calibre takes care of converting to .mobi, .epub, or the app...See more

21
1
pedroroa icon
pedroroa
in 2011

So far... an excellent program both for downloading ebooks and for viewing them!!!!

15
Reply
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