EPUB to AZW3 Converter

Upload an EPUB file to convert it to AZW3 format.

Frequently Asked Questions

AZW3 is the format used by modern Kindle devices. Converting your EPUB to AZW3 lets you sideload it onto a Kindle.

Yes. You can transfer it via USB or email it to your Kindle's personal document email address.

Yes. The chapter structure from the EPUB is preserved in the AZW3 output and will appear in the Kindle table of contents.

AZW3 (KF8) is supported on Kindle Paperwhite (2012+), Kindle Fire, Kindle Voyage, Kindle Oasis, and all newer Kindle models.

Yes. Images embedded in the EPUB are fully preserved in the AZW3 output.

Yes. AZW3 supports embedded fonts. Fonts included in the EPUB are preserved in the AZW3 output.

Amazon KDP now accepts EPUB directly. AZW3 is for personal use on Kindle devices, not for KDP publishing.