FBReader — a fast, lightweight, and customizable ebook reader

FBReader opens DRM-free ebooks as well as titles protected with Readium LCP.

Supported ebook formats:

• ePub (including ePub3 features), PDF, Kindle azw3, fb2(.zip)

• Comic books (CBZ/CBR)

• DOC, RTF, HTML, and plain text

Great for language learners:

• Instant word and phrase lookups through your preferred dictionary app

Cloud sync (optional):

• Sync your library and reading positions using the FBReader Book Network, a Google Drive based service

• Disabled by default; enable it in Settings

Highly customizable:

• Use your own TrueType/OpenType fonts and custom backgrounds

• Day and night color themes

• Adjust brightness with a simple swipe along the screen edge

• Fine-tune layout, gestures, and appearance

Optimized for every screen:

• Works smoothly on phones and tablets

• Fully optimized for e-ink devices while still performing excellently on standard LCD and AMOLED screens

Easy access to books:

• Built-in browser for online catalogs and OPDS stores

• Support for custom OPDS catalogs

• Or place ebooks directly in your device’s Books folder

Made for readers worldwide:

• Localized in 34 languages

• Includes hyphenation patterns for 24 languages