MOBI is Amazon's legacy Kindle format. While newer Kindles use AZW3, MOBI files still work on all Kindle devices and apps, making it useful for broad Kindle compatibility.

How do I convert EPUB to MOBI?

Upload your EPUB file, select MOBI as output, and convert. Your ebook will be ready to transfer to any Kindle device or the Kindle app.

Convert to MOBI – Free MOBI Converter

Convert to MOBI

Convert ebooks between EPUB, MOBI, AZW3, PDF, and other formats.
Read your books on any device with perfect formatting preservation.

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MOBI was Amazon's original Kindle format before AZW, and many older Kindle books remain in this format. While Amazon has moved to newer formats, MOBI files still work on Kindle devices and apps.

Convert to MOBI – Free Online MOBI Converter

About the Mobipocket (MOBI) Format

Based on Open eBook format. Supports DRM. Limited formatting compared to EPUB. Maximum 65,000 characters per document.

Common Use Cases for MOBI

Legacy Kindle books
Older e-readers
Personal ebook libraries
Kindle conversion

Pros of MOBI

Kindle compatible
Simple format
Portable

Cons of MOBI

Limited formatting
Outdated
Character limit
Amazon-centric

How to convert files to MOBI

Upload your file using the area above.
Select MOBI as the target format.
Click Start and wait for the conversion to finish.
Download your converted MOBI file.