FBReader

Name: FBReader
Brand: FBReader

Free, lightweight ebook reader supporting ePub, mobi, and more across all platforms.

softwareE-Book Readersebook readerePub readercross-platform reading

Visit Website

Our Verdict

Best for

Readers who want one free app across phone, tablet, and desktop for many ebook formats.

Skip if

You want an integrated bookstore or a highly polished, minimalist reading interface.

What is FBReader?

FBReader is an ebook reading app with more than 30 million installs, built around a proprietary book parser and rendering engine the developers describe as lightweight, fast, and highly customizable. It opens ePub files (including Readium LCP-protected ones), along with fb2, mobi, HTML, RTF, and plain text formats. Reading position, bookmarks, and cloud storage sync across devices through The Book Network, and the app offers dark mode, e-ink display optimization, and customizable page-turn animations and text rendering. FBReader is available on iOS, Android, Windows, Mac, and Linux, making it one of the more broadly cross-platform ebook readers.

SpecificationsAI-estimated

deploymentMobile App

Key Features of FBReader

Opens ePub, fb2, mobi, HTML, RTF, and plain text file formats.

Supports Readium LCP-protected ePub files.

Syncs reading position, bookmarks, and cloud storage across devices via The Book Network.

Includes dark mode and e-ink display optimization for comfortable reading.

Offers customizable page-turn animations and text rendering settings.

Runs on iOS, Android, Windows, macOS, and Linux.

Use Cases for FBReader

Multi-device reading

Readers sync bookmarks and reading position across phone, tablet, and desktop via The Book Network.

E-ink device reading

Owners of e-ink tablets use FBReader's e-ink optimized display mode for a paper-like reading experience.

Reading DRM-protected library books

Readers open Readium LCP-protected ePub files borrowed from libraries or bookstores.

Cross-format personal libraries

Users with mixed-format ebook collections (fb2, mobi, ePub) read everything in one app.

Pros & Cons of FBReader

Pros

Very broad platform support including desktop Linux
Free to use
Supports many ebook formats including DRM-protected ePub
Large, established install base

Cons

Interface feels more utilitarian than premium reader apps
No mention of built-in bookstore or content marketplace
Customization options may overwhelm casual readers

Frequently Asked Questions

Is FBReader free?

Yes, FBReader is free to download and use.

What ebook formats does FBReader support?

It supports ePub (including Readium LCP-protected files), fb2, mobi, HTML, RTF, and plain text.

Does FBReader sync across devices?

Yes, reading position, bookmarks, and cloud storage sync through The Book Network.

Which platforms is FBReader available on?

iOS, Android, Windows, macOS, and Linux.

Pricing Overview

View full pricing →

Free

Detailed plans are not listed. Visit the official website for pricing information.

Reviews & Ratings0.0

Write a Review See all reviews →

AI-suggested

BookFusion is a cloud‑based eBook platform that lets users import, read, and annotate a wide range of eBook formats. It automatically syncs your library, bookmarks, highlights, and notes so you can pick up where you left off on any device. The service also includes sharing features, allowing you to create private collections, collaborate on annotations, and export reading data. With support for popular formats like EPUB, PDF, and MOBI, BookFusion serves both casual readers and professionals who need organized digital libraries.

Compare with FBReader