How to convert EPUB to FB2
- Upload – click “Choose files” or drag your EPUB files into the box above (.epub).
- Convert – press the button; Kitbly processes your file on a secure server in seconds.
- Download – save your FB2. The file is deleted from our servers automatically after 1 hour.
About EPUB to FB2
Many e-readers and apps popular in Russia and the CIS – FBReader, PocketBook, Cool Reader, LitRes – read FB2 best. Convert a DRM-free EPUB to FictionBook with chapters and text formatting kept.
Frequently asked questions
What is an FB2 file?
FB2 (FictionBook 2) is an XML e-book format that is the most common e-book format in Russia, Ukraine, Belarus, Kazakhstan and Uzbekistan – most Russian-language online libraries offer books as .fb2 or zipped .fbz/.fb2.zip. Kindle, Apple Books and Word can't open it.
Can you convert DRM-protected books?
No. Only DRM-free EPUB files can be converted.
Is my document kept?
No. Files travel over an encrypted HTTPS connection, are converted automatically and are permanently deleted after 1 hour. Nobody looks at them and they are never used for AI training.
Is EPUB to FB2 free?
Yes – completely free, with no account, no daily limit and no watermark.
Are my files safe?
Files are sent over an encrypted HTTPS connection, processed automatically by our servers, never shared and permanently deleted after 1 hour. Nobody looks at your documents.
Do I need to install software or sign up?
No. It works in any browser on Windows, Mac, iPhone and Android. No account needed.
Is there a watermark?
Never. Your converted files are clean, with no watermark or branding.
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