Overview System Requirements Related


Thorium Reader is an easy to use EPUB reading application for Windows 10/10S, MacOS and Linux. After importing e-books from a directory or OPDS feed, you'll be able to read on any screen size, customize layout settings, navigate via the table of contents or page list, set bookmarks ... A great care is taken to ensure the accessibility of the application for visual impaired people using NVDA, JAWS or Narrator. Free application. No ads. No private data flowing anywhere. This project is in constant evolution, corrections and new features will be added soon and your support is welcome for that. The application is based on the open-source Readium Desktop toolkit. It is currently localized in three languages: English, French and German. More languages will come soon.


Additional information

Published by



European Digital Reading Lab, 2019

Developed by


Release date


Approximate size

327.18 MB

Age rating

For all ages

This app can

Access all your files, peripheral devices, apps, programs and registry


Get this app while signed in to your Microsoft account and install on up to ten Windows 10 devices.


The product developer believes this product meets accessibility requirements, making it easier for everyone to use.

Language supported

English (United States)

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