Convert MOBI to FB2
Convert MOBI to FB2 online for free. No signup required. Your files upload over an encrypted connection and are deleted after 2 hours.
Free
no account needed
Frankfurt
stored in the EU
2 hours
then files are deleted
New conversion
Any format in, the right format out
Drag and drop your files here, or import from:
Upload files up to 100 MB in MOBI
How to convert MOBI to FB2
Everything happens on this page, in any modern browser, with nothing to install.
Upload your MOBI file
Drag and drop your MOBI file or browse from your device, Google Drive, Dropbox, or OneDrive.
Convert to FB2
Press Convert. To convert several MOBI files at once, add them all first.
Download your FB2
Most files are ready in seconds.
What you get when you convert MOBI to FB2
Each MOBI file you add comes back as its own download, under its original name.
- 01
With several results, Download all saves them all with one click.
- 02
If one file in a batch fails, the others still finish, and the result says what went wrong.
- 03
Your FB2 file converts on to EPUB, AZW3, TXT and 5 more here.
What MOBI and FB2 files are
MOBI
MOBI is an ebook format originally developed for Mobipocket Reader and later adopted by Amazon Kindle. It supports basic formatting, images, and DRM protection for digital book distribution.
FB2
FB2 (FictionBook) is an XML-based ebook format popular in Russia and Eastern Europe. It stores the book structure, metadata, and content in a single organized file with good formatting support.
Convert your MOBI files to other formats
Choose a target format below to convert your MOBI files quickly and easily.
MOBI to EPUB
Convert MOBI files to EPUB format.MOBI to AZW3
AZW3 is Amazon's modern ebook format for Kindle devices and apps.MOBI to TXT
TXT is a plain text file format that stores unformatted text content.MOBI to RTF
Convert MOBI files to RTF format.MOBI to LIT
LIT is the ebook format of Microsoft Reader, which launched in 2000.MOBI to PDB
Convert MOBI files to PDB format.MOBI to LRF
Convert MOBI files to LRF format.MOBI to PDF
Convert MOBI files to PDF format.
Convert other files to FB2
Select a source format below to convert files to FB2.
PDF to FB2
Convert PDF files to FB2 format.Text to FB2
Convert Text files to FB2 format.EPUB to FB2
Convert EPUB files to FB2 format.AZW3 to FB2
AZW3 is Amazon's modern ebook format for Kindle devices and apps.LIT to FB2
LIT is the ebook format of Microsoft Reader, which launched in 2000.LRF to FB2
Convert LRF files to FB2 format.PDB to FB2
Convert PDB files to FB2 format.HTMLZ to FB2
Convert HTMLZ files to FB2 format.
Frequently asked questions
Still have questions? Contact support.
Is it free to convert MOBI to FB2?
Yes, converting MOBI to FB2 is completely free. You can convert files up to 100 MB and up to 10 files per batch, and no signup or account is required.
Will converting MOBI to FB2 affect the quality?
Our converter preserves the original quality of your MOBI files during the conversion to FB2. The output maintains formatting, layout, and visual fidelity as closely as possible.
Can I convert multiple MOBI files to FB2 at once?
Yes. You can convert up to 10 MOBI files to FB2 in a single batch. Drag and drop all the files at once, and Novitora processes them together.
Is my data safe when converting MOBI to FB2?
Your files upload to Novitora servers over an encrypted TLS connection and are automatically deleted 2 hours after upload. Data is stored in the EU (Frankfurt), and we follow SOC 2-aligned security practices.
What devices can I use to convert MOBI to FB2?
Novitora works in any modern web browser on desktops, laptops, tablets, and phones. There is nothing to install: open the page, upload your MOBI file, and download the FB2.