All ToolsAZW to EPUB

AZW to EPUB

Convert Amazon Kindle AZW and AZW3 ebooks to EPUB format. Browser conversion isn't possible for this format — follow the free step-by-step methods below.

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Browser conversion not available for .azw / .azw3

AZW is Amazon's proprietary Kindle format and cannot be decoded in a web browser. Use one of the free methods below.

Free Ways to Convert

1

Calibre (Windows / Mac / Linux)

Recommended

Download Calibre from calibre-ebook.com. Add your .azw or .azw3 file to the library, right-click → Convert books → Convert individually. Set Output format to EPUB → OK.

2

Re-download from Amazon as EPUB

No software

For books bought on Amazon after ~2022: sign in to amazon.com → Manage Your Content and Devices → find the book → Download & Transfer via USB → select EPUB option (if available).

3

Check the publisher's website

DRM-free

Many publishers sell DRM-free EPUB versions directly. If you bought the book on Amazon, the publisher may offer a DRM-free EPUB on their own site or via Smashwords / Kobo.

Once you have an EPUB file…

What is AZW to EPUB?

AZW to EPUB converts Amazon Kindle AZW (and AZW3/KF8) ebook files to the open EPUB format. AZW is Amazon's proprietary ebook format — converting to EPUB makes your ebooks readable on any e-reader, not just Kindle.

How It Works

AZW and AZW3 are Amazon-proprietary binary formats (extensions of MOBI/KF8) that cannot be decoded in a web browser. Calibre is the free, open-source desktop tool that handles AZW → EPUB conversion reliably.

Key Benefits

  • EPUB works on Apple Books, Kobo, Google Play Books, and more
  • Calibre is completely free and open-source
  • Supports both AZW (older) and AZW3/KF8 (newer) formats
  • Preserves images, chapters, and cover art
  • EPUB is future-proof and not tied to any single vendor

Frequently Asked Questions