EPUB to AZW3 Converter

Convert EPUB in to AZW3 online

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  • Select output format
  • AZW3 (Kindle)
  • PDF
  • EPUB
  • DOC
  • WORD
  • RTF
  • ODT
  • MOBI
  • TXT


EPUB is a flexible ebook format that allows for dynamic and responsive design, making it easy to adjust the layout and typography for different devices and screen sizes. It is compatible with a wide range of e-readers, tablets, and smartphones, as well as reading software on computers. EPUB files can include multimedia elements, such as audio and video, as well as interactive features like quizzes and animations. The format is based on open web standards, which makes it easy to create and edit using a variety of tools. EPUB is widely used in the publishing industry, including for fiction, non-fiction, and academic books.

Read more about EPUB


AZW3, also known as Kindle Format 8 (KF8), is an advanced e-book format developed by Amazon for its Kindle devices and apps. It is based on the MOBI format but offers enhanced features like support for HTML5, scalable vector graphics, and interactive elements like pop-up footnotes, audio, and video. The format also supports advanced typography features like drop caps, text justification, and embedded fonts, making it ideal for publishing visually rich and complex e-books. AZW3 format is capable of supporting DRM, which is used by Amazon to prevent unauthorized sharing or copying of e-books purchased from its Kindle store.

Read more about AZW3

To convert in the opposite direction, click here to convert from AZW3 to EPUB.

AZW3 to EPUB Converter

How to use EPUB to AZW3 converter

  1. Upload EPUB file: Drag and drop your EPUB file or upload it from your cloud storage.
  2. Convert: Click the action button to start the conversion to AZW3 format.
  3. Wait: Give it a few seconds for the AZW3 conversion to complete.
  4. Conversion complete! Download the converted AZW3 file.

Reasons to Choose Bookize's EPUB to AZW3 Converter

  • Keeps the Original Format

    Our converter preserves the original layout and style of your EPUB documents. You can trust that the converted AZW3 file will retain its formatting and be ready to read on your e-reader device.

  • Simple way to convert EPUB to AZW3 document

    Convert your EPUB document to AZW3 format using our online tool. No downloads or plugins required—just a few clicks.

  • Secure EPUB to AZW3 Converter

    Your files are secure with us. We delete your files after conversion, ensuring your information remains private.

  • Free and Convenient

    Convert your EPUB documents for free on any device—Windows, Mac, iOS, Linux, or any other OS. No fees or accounts needed. Simply convert and go!


In today's digital era, having a dependable eBook conversion tool is a must. Whether you're changing devices or just like a different format, our tool ensures your reading experience stays smooth. No more compatibility problems - just easy reading with our eBook converter.

Frequently Asked Questions

How can I convert EPUB to AZW3?

Just use this online converter to get AZW3 from EPUB in an instant.  

Is converting to AZW3 difficult?

Our AZW3 converter is super easy to use. Just upload your AZW3 file, and let it do the work.  

Will my AZW3 file still look good after conversion?

Definitely! Our tool keeps everything looking sharp, so your images stay clear and text stays readable.  

Can I convert lots of EPUB at once?

Yep, you can convert multiple EPUB files at once, saving you time.  

What if I have problems?

Our support team is here to assist you. Just contact us, and we'll help you out.  

Will it work on all devices?

Yes, our EPUB to AZW3 converter works on many different devices, so you can convert your EPUB anywhere.