FormatDrop
How-To Guide

How to Convert AZW3 to EPUB

AZW3 is Amazon's modern Kindle e-book format (also called KF8). EPUB is the universal e-book standard supported by Kobo, Apple Books, Google Play Books, and every non-Kindle reader. Converting AZW3 to EPUB lets you read your e-books on devices outside the Amazon ecosystem — provided the AZW3 isn't DRM-protected.

Open AZW3 to EPUB Converter

Step-by-step instructions

  1. 1

    Upload your AZW3 file

    Select your .azw3 file. Personal documents, sideloaded e-books, and DRM-free purchases convert cleanly. Books purchased from Amazon Kindle Store have DRM and cannot be converted without authorization.

    Go to converter
  2. 2

    Choose EPUB as output format

    Select EPUB. The converter preserves chapter structure, table of contents, fonts, and embedded images. Metadata (author, title, cover) transfers cleanly.

  3. 3

    Transfer to your e-reader

    Sideload the EPUB to your Kobo, Nook, or other reader. Kobo: USB or Calibre's wireless device sync. Apple Books: AirDrop or import via Mac. Google Play Books: upload via play.google.com/books.

Why convert AZW3 to EPUB?

AZW3 locks you to Kindle; EPUB sets you free. Converting between them is the technical step that turns Amazon's content into something you can read anywhere.

Your files never leave your device

FormatDrop runs the conversion engine entirely inside your browser using WebAssembly. No file upload. No server. Nothing stored. You can verify this by opening DevTools → Network tab and watching: zero upload requests.

Frequently asked questions

Are my Kindle purchases DRM-free?
Most are DRM-protected. To check: download the book to a Kindle device or Kindle PC/Mac app — if you can read it, it has DRM. Some publishers (Tor, Baen, Smashwords) sell DRM-free Kindle editions, and personal documents you sent to your Kindle are DRM-free.
Best tool for AZW3 to EPUB?
Calibre (free, cross-platform): add the AZW3, click Convert books, choose EPUB as output. Calibre handles AZW3's KF8 features (fonts, layout) better than any online tool.
Will my notes and highlights transfer?
No — Kindle notes and highlights are stored separately from the e-book file in Amazon's cloud. They're not embedded in AZW3. Use Kindle Notebook (read.amazon.com/notebook) to access them after migrating to a non-Kindle reader.
Convert AZW3 to EPUB Now — Free

No account. No upload. Works in any browser.

Related guides

How to Convert HEIC to JPGHow to Convert PNG to PDFHow to Convert MOV to MP4How to Convert WebP to JPG