MOBI Converter

Convert MOBI files online, for free, with nothing to install.

MOBI is the e-book format of Mobipocket, once the format of Kindle e-readers. Older Kindles open it; newer ones prefer EPUB or AZW3. Books bought in a store often have DRM, which stops them from being converted. MOBI files can be saved as PDF, RTF, TXT, EPUB, AZW3, LRF, OEB, PDB, on our server.

What is a MOBI file?

MOBI – Mobipocket e-book. MOBI is the e-book format of Mobipocket, once the format of Kindle e-readers. Older Kindles open it; newer ones prefer EPUB or AZW3. Books bought in a store often have DRM, which stops them from being converted.

How to convert a MOBI file

  1. Click Select File, or drop your .mobi files anywhere on this page.
  2. Pick the format you want next to each file, for example PDF.
  3. Click Convert, then Download when it's done.

MOBI at a glance

MOBI
LayoutFlowing text
EditableWith e-book tools
Created byMobipocket, 2000
Best forOlder Kindle devices

Frequently asked questions

What is a MOBI file?

MOBI is the e-book format of Mobipocket, once the format of Kindle e-readers. Older Kindles open it; newer ones prefer EPUB or AZW3. Books bought in a store often have DRM, which stops them from being converted.

How do I open a MOBI file?

Kindle e-readers and Kindle apps open MOBI files, and so do Calibre and many reading apps. To read it anywhere, convert it to EPUB here.

Is converting MOBI files free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my MOBI files uploaded anywhere?

This conversion runs on our server, because reading a MOBI file needs calibre, which does not run in a browser. Your file is sent over an encrypted connection, and both it and the result are deleted 72 hours after the conversion. The server has no internet access while it works on your file.

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