Convert to AZW3

Convert e-books to AZW3 online, for free, with nothing to install.

DOCX, PDF, EPUB, MOBI and 18 other e-book formats can be converted to AZW3: drop your files above, and AZW3 is already chosen as the output. Files are converted on our server and deleted 72 hours later.

What is an AZW3 file?

AZW3 – Kindle e-book (AZW3, KF8). AZW3 (also called KF8) is the Kindle e-book format that replaced MOBI. It supports modern layout and fonts.

How to convert e-books to AZW3

  1. Click Select File, or drop your e-books anywhere on this page. Any of the 22 supported formats works.
  2. AZW3 is already chosen as the output on this page.
  3. Click Convert, then Download when it's done.

AZW3 at a glance

AZW3
LayoutFlowing text
EditableWith e-book tools
Created byAmazon, 2011
Best forKindle e-readers

Frequently asked questions

Why convert to AZW3?

AZW3 (also called KF8) is the Kindle e-book format that replaced MOBI. It supports modern layout and fonts. Best for: Kindle e-readers.

Which e-book formats can be converted to AZW3?

AZW, CBC, CBR, CBZ, DOCX, EPUB, FB2, HTML, HTMLZ, LIT, LRF, MOBI, ODT, PDB, PDF, PML, PRC, RB, RTF, TCR, TXT, TXTZ.

Is converting to AZW3 free?

Yes. Everyone gets 25 free credits a day, with no account needed. Conversions on our server use one credit per started minute of work, so most cost a single credit. Credits reset at midnight UTC.

Are my e-books uploaded anywhere?

These conversions run on our server, because they need calibre, which does not run in a browser. Your file is sent over an encrypted connection, and both it and the result are deleted 72 hours after the conversion. The server has no internet access while it works on your file.

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