Favourite Book Reader is compatible with all major operating systems, including Windows, macOS, and Linux, as well as mobile devices running iOS and Android. Key features of FBReader include:
* Comfortable reading experience with customizable text styles and colours for both day and night modes, advanced navigation features and bookmarks.
* Configurable book sources that allow you to download books from a wide range of network sources, both free and paid. You can also open books from your local library or add your favourite OPDS catalogues. The app includes a powerful catalogue browser with history, bookmarks, and search functionality.
* Seamless cloud integration that synchronizes your books, reading positions, and bookmarks across all your devices. You can start reading on your computer and seamlessly continue from where you left off on your tablet or smartphone.
* Broad format support for major book formats like ePub (including most features of ePub3), unencrypted Kindle azw3 (also known as Mobipocket), and fb2(.zip). It also handles other formats such as RTF, DOC (MS Word), HTML, and plain text.
* Readium LCP support enables FBReader to open DRM-free books and ePubs protected with Readium LCP.