FB2 (FictionBook 2) is an XML-based open e-book format designed for storing electronic books with rich metadata and structured content. It supports complex text formatting, embedded images, multiple languages, and detailed book information like author, genre, and publication details. The XML structure allows for semantic markup and easy conversion to other digital book formats.
Highly structured XML format with extensive metadata support. Platform-independent and easily convertible. Supports complex text layouts, multiple languages, and embedded multimedia. Open standard with good preservation of original book design and semantic information.
Less widely adopted globally compared to EPUB. Requires XML parsing for rendering. Limited native support in mainstream e-reader devices. More complex processing compared to simpler e-book formats.
Primarily used for digital book distribution in Eastern European markets, especially Russia. Popular among e-book libraries, digital publishing platforms, and open-source e-reader applications. Commonly employed for archiving literary works, academic texts, and personal digital book collections with preservation of original formatting and metadata.