How to convert EPUB to FictionBook (FB2)
- 1
Upload your file
Drag and drop a file or click to select one. Keep this page open while the file uploads and converts.
- 2
Convert EPUB to FictionBook (FB2)
NexMedia converts EPUB to FictionBook (FB2) on its own servers. Processing time depends on the file size and how busy the queue is.
- 3
Download the converted file
When the conversion finishes, the download appears on this page. Your converted file is kept for 2 hours, then deleted.
About EPUB
EPUB is the open ebook standard, now maintained by the W3C. An EPUB is a ZIP of XHTML pages, CSS and images, so the text reflows to fit any screen.
Ebooks from most stores and libraries, read in Apple Books, Kobo and Google Play Books, and on Kindle through Send to Kindle since 2022.
Store-bought EPUBs are often DRM-protected, and protected files cannot be converted.
Convert EPUB to FB2 online free, no account required — FB2 is an XML-based ebook format.
Change EPUB to FB2 without losing quality — convert EPUB to FB2 free in your browser.
Why does my EPUB book look completely different on every reader? EPUB is reflowable by design — text reshapes itself to each screen and font — so there is no fixed page layout to preserve.
About FictionBook (FB2)
FictionBook (FB2) is an XML-based ebook format that describes the structure of a book (sections, titles, notes) rather than its appearance.
Ebooks in Russia and Eastern Europe, where many free libraries offer FB2.
Kindle and Apple Books do not read FB2, and its styling options are minimal.
Why convert an ebook to FB2? For Russian-language readers and apps built around FictionBook, where metadata and structure map cleanly.
What changes when you convert EPUB to FB2
- Ebook conversion is best-effort: the text, images and table of contents of the EPUB carry over to FB2, but layout and styling can change.
- Fixed layouts, embedded fonts and complex styling in the EPUB may not survive the move to FB2.
- EPUB files can carry DRM copy protection; protected files are detected and refused, because copy protection is never removed.
Settings you can change
Before you convert EPUB to FB2, you can adjust: Title, Author, Language, Page size, Base font size, and Generate table of contents.
Limits
Each plan sets a maximum file size and a number of conversions per day, and video and audio files also have a maximum length. Guests can convert files up to 100 megabytes and 5 per day; a free account raises this to 500 megabytes and 25 per day; paid plans go up to 100 gigabytes.
Your converted FB2 file is kept for 2 hours, then deleted.
EPUB to FB2: questions and answers
Does converting EPUB to FB2 reduce quality?
Ebook conversion is best-effort: the text, images and table of contents of the EPUB carry over to FB2, but layout and styling can change.
What is the difference between EPUB and FB2?
EPUB is the open, reflowable ebook standard. FB2 is an XML-based ebook format.
Can I change the settings when converting EPUB to FB2?
Before you convert EPUB to FB2, you can adjust: Title, Author, Language, Page size, Base font size, and Generate table of contents.
Do I need an account to convert EPUB to FB2?
No. You can convert EPUB to FB2 without an account; signing in raises the file-size and daily limits.
How long is my converted FB2 file kept?
The FB2 file you convert from EPUB is kept for 2 hours, then deleted automatically.
Will the page layout of my EPUB survive in the FB2?
Fixed layouts, embedded fonts and complex styling in the EPUB may not survive the move to FB2.
What happens if my EPUB file is copy-protected?
EPUB files can carry DRM copy protection; protected files are detected and refused, because copy protection is never removed.