FB2 to EPUB Converter - FictionBook to EPUB Online

Convert FB2 FictionBook files to EPUB format. Transform Russian ebooks for Kindle and modern e-readers. Free, private, browser-based.

Note: First conversion initializes Pandoc WebAssembly (~55MB download). Subsequent conversions are instant and work offline.

Drop FB2 file here or click to browse

Accepts .fb2 files (FictionBook format)

EPUB file downloaded

Security: Only process files from sources you trust. All processing happens locally in your browser.

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Frequently Asked Questions

FB2 (FictionBook 2) is an XML-based ebook format popular in Russia and Eastern Europe. It stores books with rich metadata, cover images, and structured content.

EPUB is the universal ebook standard supported by most e-readers (Kobo, Nook, Apple Books) and can be sent to Kindle via Send to Kindle. FB2 has limited device support.

Yes. Chapters, paragraphs, emphasis, and text formatting convert properly. Cover images and author metadata are also transferred to the EPUB.

Yes. If your FB2 file includes a cover image, it will be embedded in the EPUB output and display in e-reader libraries.

Yes. Use Amazon's Send to Kindle service (web or app) to send the EPUB to your Kindle. Amazon converts it automatically for Kindle compatibility.

Completely private. Conversion happens entirely in your browser using WebAssembly. Your books are never uploaded to any server.

Full UTF-8 support ensures Russian, Ukrainian, and other Cyrillic text converts correctly. Character encoding is preserved throughout.

This tool accepts uncompressed .fb2 files. For .fb2.zip files, extract the FB2 file first using any ZIP utility, then convert.

FB2 sections become EPUB chapters with proper navigation. The table of contents is generated automatically based on the book structure.

Standard EPUB 3 format compatible with all modern e-readers. Text remains reflowable so readers can adjust font size and style.

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