Thorium Reader v3.0.0 Portable

On May 13, 2026

Thorium Reader is a free, open-source, and highly accessible e-book reading application designed for Windows, macOS, and Linux. As a premier EPUB 3 reader, it provides a modern and clean user interface without advertisements or private data tracking. It is specifically engineered to handle a wide range of digital publications, from standard e-books and highly illustrated PDFs to complex DAISY digital talking books and professional audiobooks.

The application is widely recognized for its commitment to accessibility, offering extensive support for screen readers like NVDA and JAWS, as well as specialized features for dyslexic users. Version 3.0.0 represents a significant milestone, introducing enhanced support for the latest EPUB 3.4 specifications and improved management of content annotations. Whether you are a student managing a large library of research materials or a casual reader looking for a seamless way to access library-borrowed content via LCP DRM, Thorium Reader provides a fast and standards-compliant platform for all your digital reading needs.

Multi-Format Versatility: Comprehensive support for EPUB 2, EPUB 3 (reflowable and fixed-layout), PDF, DAISY 2.02, DAISY 3, and LPF audiobooks.
Advanced Accessibility: Fully compatible with JAWS, NVDA, Narrator, and VoiceOver, featuring MathML rendering and specialized fonts for readers with dyslexia.
LCP DRM Integration: Seamlessly open and read protected publications purchased from booksellers or borrowed from public libraries using the Readium LCP standard.
Personalized Reading Experience: Finely tune your workspace with adjustable text size, font selection, line spacing, margins, and dedicated Sepia and Night themes.
OPDS Catalog Support: Connect directly to online book catalogs like Project Gutenberg or Feedbooks, and interface with your local Calibre library via its OPDS feed.
Deep Content Navigation: Effortlessly explore books using multi-level tables of contents, full-text search, customizable bookmarks, and a reading progress indicator.
Media & Interactive Content: Robust handling of EPUB 3 interactive features, including video, audio overlays, and synchronized "Read Aloud" text highlighting.

Download Thorium Reader Portable

Thorium Reader v3.0.0 Portable.rar - 102.5 MB