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EPUBReader vs Foliate: catalog facts
EPUBReader	Foliate
Free Free to install.	Free Free and open source, with no paid edition.
Browser extension	Linux
Works in Firefox, Chrome, Opera and Edge Opens books in place without copying them	Opens EPUB, Mobipocket, Kindle, FB2, CBZ and PDF Annotations and progress are plain JSON files you can sync however you want
Does not open DRM-protected ebooks Read-aloud needs a separate extension	Linux only; there is no Windows or macOS build Needs recent GTK4, libadwaita and WebKitGTK, which older distributions may not have
Browser extension	Downloadable app
Closed source	Open source
License not stated	License: GPL-3.0
Not stated if an account is needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 20, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.