Can I read the converted MOBI on my Kindle or e-reader?

Yes! The output file is formatted for standard e-reader apps and hardware devices.

Are my books uploaded to a server?

No, all unpacking, processing, and repacking runs directly inside your browser.

File 100% Client-Side

Convert EPUB eBooks to MOBI format for smooth reading on Amazon Kindle devices.

Zero Upload

Never leaves browser

Instant Speed

WASM accelerated

or click to browse from your device

High-fidelity EPUB to MOBI eBook conversion

Preserves chapter structure, formatting, metadata, and typography

Compatible with Amazon Kindle, Apple Books, Kobo, and e-readers

100% Client-side conversion — private, fast, and free

Simple Workflow

Get results in three quick steps without any learning curve.

Select your .epub eBook file from your computer or phone.

Review title, author, and click Convert to MOBI.

Save your converted MOBI eBook ready for your e-reader.

Need Help?

Everything you need to know about this tool.

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