Convert MOBI to FB2
Turn MOBI files into FB2 in seconds — free.
- Works directly in your browser
- Keeps the original formatting and quality
- Download your file in seconds
- No signup, no watermark, no limits
- Supports batches of MOBI files up to 100 MB each
Upload your files
Drop MOBI files here
Files up to 100 MB · deleted automatically after 4 hours
How the conversion works
Three steps between your MOBI file and a finished FB2.
Add your MOBI file
Drag and drop it, or browse your device. Multiple files are fine.
Confirm FB2 settings
Choose quality and naming, then start the conversion.
Download
Save the FB2 file, or scan the QR code to grab it on your phone.
About converting MOBI to FB2
MOBI and FB2 solve different problems, which is why this conversion is so common. Our converter reads the structure of your MOBI file and rebuilds it as a valid FB2 file rather than simply renaming it, so the result opens cleanly in the apps you already use.
MOBI is an older e-book format used by Kindle devices. FB2 is an XML-based e-book format popular in Eastern Europe.
The converter sits in our ebook converters toolkit alongside EPUB, MOBI, AZW3, FB2, LIT and more. Nothing is installed, nothing is stored, and the output carries no watermark.