EPUB to AZW3 Converter

Quickly convert multiple epub files to azw3 - free & online.

Drag & drop your files here or click to upload

How to convert EPUB to AZW3 online

Follow these simple steps to convert EPUB files to AZW3 using AnyConv. It works on all devices - Windows, Mac, Linux, iPhone, Android.

Upload your EPUB file

Drag & drop your file into the upload area. You can also click to select it manually. Max file size: 100 MB.

Start converting

Hit the “Convert” button to turn your EPUB into AZW3. The process usually takes just a few seconds.

Download your AZW3

Once ready, download your converted file instantly. The download link is private and only works on your device.

What is a EPUB file?

EPUB (Electronic Publication) is a widely adopted open eBook format maintained by the W3C. It uses HTML and XML to structure content, making it highly adaptable to different screen sizes and devices.

EPUB files support rich formatting, images, and embedded fonts, and are compatible with most eBook readers, including Apple Books, Kobo, and many Android apps. It is often preferred for its flexibility and non-proprietary nature.

How to open EPUB files

EPUB files can be opened using Apple Books, Google Play Books, Kobo, and many eReader apps on Android and iOS. Desktop users can use Calibre, Adobe Digital Editions, or browser plugins like EPUBReader.

AnyConv allows you to convert EPUB files to PDF, MOBI, or AZW for compatibility with Kindle or other platforms.

Key facts about EPUB

  • Full name: Electronic Publication
  • Extension: .epub
  • MIME type: application/epub+zip
  • Developed by: International Digital Publishing Forum (IDPF)
  • Initial release: 2007

Useful links and resources

What is a AZW3 file?

AZW3, also known as Kindle Format 8 (KF8), is an advanced eBook format used by Amazon’s Kindle devices. It supports a broader range of layout and styling options compared to its predecessor AZW, including HTML5 and CSS3 features.

This format allows publishers to create more interactive and visually rich eBooks. AZW3 files are commonly used for newer Kindle publications and support DRM for copy protection.

How to open AZW3 files

AZW3 files are compatible with newer Kindle devices and apps. You can also use Kindle Previewer or Calibre to view and manage them on desktop systems.

For broader compatibility, AnyConv allows conversion of AZW3 files to EPUB, MOBI, or PDF formats.

Key facts about AZW3

  • Full name: Kindle Format 8 (KF8)
  • Extension: .azw3
  • MIME type: application/vnd.amazon.mobi8-ebook
  • Developed by: Amazon
  • Initial release: 2011

Useful links and resources

Convert from EPUB

Need to change your EPUB files to a different format? Below are all the available tools to help you turn EPUB into the format you need.

Convert to AZW3

Want to get a file in AZW3 format? Choose the original format you’re starting with - AnyConv can quickly convert dozens of file types into AZW3.

❓ Frequently Asked Questions

Answers to common questions about converting EPUB to AZW3
  • Why should I convert EPUB to AZW3?
    Kindle devices don’t natively support EPUB. By converting to AZW3, your eBook becomes fully compatible with Kindle e-readers and Kindle apps.
  • Will the formatting of my eBook be preserved in AZW3?
    Yes. The conversion keeps fonts, chapters, images, and layout, so your book looks the same when read on a Kindle.
  • Can I batch convert multiple EPUB books to AZW3?
    Yes. Our online converter supports batch conversion, so you can upload several EPUB files and receive AZW3 versions for each in one step.
  • Is AZW3 better than MOBI for Kindle?
    Yes. AZW3 is Amazon’s newer format and supports more advanced formatting and features than MOBI. If you want the best Kindle reading experience, AZW3 is recommended.
  • Do I need special software to convert EPUB to AZW3?
    No. The conversion is done entirely online - just upload your EPUB file and download the AZW3 result for Kindle. No installation required.
  • Is it safe to convert EPUB to AZW3 online?
    Absolutely. All files are transferred securely, processed only for conversion, and automatically deleted from our servers shortly after.
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