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Convert epub to azw3

Free online EPUB to AZW3 converter

How to convert .epub files (Open eBook) to .azw3 format (Amazon Kindle eBook).

Convert EPUB to AZW3 online - free

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How it works

  1. 1/3

    Upload your .epub file

    Click to browse to select your file you want to convert or simply drag & drop your file into selected area.

  2. 2/3

    Perform .epub to .azw3 conversion

    After successful file upload, click to convert when you are ready.

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    Download converted .azw3 file

    Conversion result is ready to download.

How to convert epub to azw3 file

Use programs, such as CALIBRE or HAMSTER to convert .epub files (Open eBook) to .azw3 format (Amazon Kindle eBook). This conversion is useful if you attempt to read the more commonly available .epub documents on your Kindle device. 

Here an example of how to convert .epub files to .azw3 format.

  1. Right-click on your .epub document
  2. Select 'Convert books' - 'Convert individually'
  3. Select .azw3 as the output format and click 'OK'
  4. Right-click on your book once more
  5. Select 'Save to disc' - 'Save single format to disc'
  6. Select .azw3 and the output folder

 

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Understanding EPUB and AZW3 file formats

EPUB (Electronic Publication) is a widely used eBook format that is supported by many eReaders and devices. It is an open standard format that allows for reflowable content, meaning the text can adjust to fit different screen sizes. This makes it a popular choice for digital books.

AZW3, also known as Kindle Format 8, is a proprietary eBook format developed by Amazon for its Kindle devices. It supports more complex layouts, fonts, and styles compared to its predecessor, AZW. This format is specifically designed to work seamlessly with Kindle devices and apps.

Why convert EPUB to AZW3?

Converting an EPUB file to AZW3 is often necessary for Kindle users who want to read eBooks on their devices. Since Kindle devices do not natively support the EPUB format, converting to AZW3 ensures compatibility and allows users to take advantage of Kindle's features.

Best software for EPUB to AZW3 conversion

One of the best software options for converting EPUB to AZW3 is Calibre. Calibre is a free and open-source eBook management tool that supports a wide range of formats and conversion options.

How to convert EPUB to AZW3 using Calibre

  1. Download and install Calibre from its official website.
  2. Open Calibre and click on Add books to import your EPUB file.
  3. Select the imported EPUB file from the list.
  4. Click on Convert books in the menu bar.
  5. In the conversion window, set the output format to AZW3.
  6. Click OK to start the conversion process.
  7. Once the conversion is complete, you can find the AZW3 file in the designated output folder.

Conclusion

Converting EPUB to AZW3 is a straightforward process with the right tools. Calibre offers a reliable and efficient way to ensure your eBooks are compatible with Kindle devices, allowing you to enjoy your reading experience without any format issues.

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EPUB vs AZW3: format comparison

How the EPUB and AZW3 formats compare on the properties that matter most for this conversion.

Comparison of the EPUB and AZW3 file formats
Property .EPUB EPUB .AZW3 Amazon KF8 / Kindle Format 8 eBook
Reflowable text Yes Yes
DRM protection Optional Optional
Images Yes Yes
Metadata support Extensive Basic
E-reader support Wide Wide
Typical file size Small Small
Open standard Yes No
Best used for Publishing Publishing
Introduced 2007 2011
Developer International Digital Publishing Forum (IDPF); later maintained under W3C Amazon
MIME type application/epub+zip application/vnd.amazon.mobi8-ebook
Open EPUB file Open AZW3 file

Suggested software and links: epub to azw3 converters

Calibre icon

Calibre

A free e-book library management application
Hamster eBook Converter icon

Hamster eBook Converter

A free eBook converter

Frequently asked questions

Is the EPUB to AZW3 converter free?

Yes, converting EPUB to AZW3 on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.

How large can my EPUB file be?

You can upload EPUB files up to 1000 MB and convert up to 50 files at once in a single batch.

What happens to my uploaded files?

Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.

Do I need to install any software to convert EPUB to AZW3?

No. The EPUB to AZW3 conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.

Did the conversion fail?

In most cases, the cause is an incorrect file format. Please upload a valid EPUB file for this EPUB to AZW3 conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.

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epub file conversion

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