FBReader Premium is a comprehensive ebook reader designed for avid readers who value flexibility and advanced features. This paid version offers an exceptional reading experience across various devices, including both LCD and e-ink screens. With support for numerous ebook formats and advanced customization options, FBReader Premium caters to the diverse needs of global readers.

The application stands out with its powerful reading tools, such as text-to-speech functionality, instant translation, and quick dictionary lookups. These features, combined with cloud sync capabilities and extensive format compatibility, make it an ideal choice for users seeking a versatile reading solution that works seamlessly across devices.

FBReader Premium boasts an impressive array of features that enhance the reading experience. The app supports a wide range of ebook formats including ePub, PDF, Kindle azw3, and many others, ensuring compatibility with virtually any digital book. Its built-in support for PDFs and comic books, along with the ability to handle DRM-free books, makes it a versatile tool for all reading materials.

One of the standout features is the instant translation capability using Google Translate or DeepL, allowing readers to access content in multiple languages effortlessly. The customizable reading environment lets users adjust brightness with a swipe, switch between day and night themes, and use personal fonts and backgrounds. Additionally, the optional cloud sync feature ensures that your library and reading positions are always up-to-date across devices.

FBReader Premium offers an extensive e-book library with support for a wide range of formats including ePub, PDF, Kindle azw3, fb2(.zip), CBZ/CBR, DOC, RTF, HTML, and TXT. This ensures that readers have access to almost any ebook they wish to read, making it a versatile choice for book enthusiasts.

The application is committed to copyright authenticity by supporting DRM-free books as well as titles protected with Readium LCP. This means users can enjoy their reading while respecting intellectual property rights, ensuring the content they access is legitimate and legally obtained.

With built-in support for various formats and compatibility with online catalogs and OPDS stores, FBReader Premium provides easy access to a vast array of literature. Users can also add ebooks directly to their device's Books folder, offering flexibility in how they manage their personal library.

One of the standout features of FBReader Premium is its broad format compatibility. It supports not only common text formats but also advanced ones like ePub3 and comic books, catering to diverse reading preferences and ensuring that no matter what format your ebook is in, you can read it without hassle.

In addition to supporting multiple file types, FBReader allows customization of reading settings such as fonts, backgrounds, themes, brightness adjustment via swipe gestures, and layout options. These features contribute to a personalized reading experience tailored to individual tastes and needs.

For those who require instant translation or read aloud capabilities, FBReader integrates with services like Google Translate, DeepL, and Android text-to-speech. This enhances accessibility and convenience, allowing users to consume content in various languages and formats effortlessly.