MOBIFB2

Convert MOBI to FB2 — free online

Turn Kindle MOBI files into FictionBook — free, private, no watermarks.

Drag & drop files here

Accepts .mobi · up to 50 files

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How it works

1
Drop your MOBI files above — batch conversion is supported.
2
Tap Convert now. Your files are processed with Calibre, a trusted open-source engine.
3
Download your FB2 files. Everything is deleted automatically within 24 hours.

Need a different output? See all MOBI conversions