AZW3
AZW3 eBook
AZW3 is Amazon's proprietary eBook format, also known as Kindle Format 8 (KF8), designed for Kindle devices and apps.
What is AZW3 eBook?
Developed by Amazon, the AZW3 format succeeds the older MOBI standard. It supports HTML5 and CSS3 features, allowing for advanced formatting, embedded fonts, and complex layouts required by modern reflowable and fixed-format eBooks. It is primarily used for distributing and reading literature purchased from the Kindle Store.
Advantages
- Supports advanced typography and complex layouts via HTML5 and CSS3
- Allows embedding custom fonts
- Optimized specifically for Amazon Kindle hardware and applications
- Supports both reflowable and fixed-format content
Limitations
- Proprietary format tied to the Amazon ecosystem
- Typically protected by Digital Rights Management (DRM)
- Not natively supported by non-Kindle e-readers without conversion
How to open AZW3 eBook files
Amazon Kindle devices
Kindle App for Windows, macOS, iOS, and Android
Calibre
Sumatra PDF
Common use cases
- Reading books purchased from the Amazon Kindle Store
- Reading self-published eBooks formatted for Kindle
- Converting to other formats like DOCX or EPUB using tools like ConvertX
AZW3 converters
Explore other formats
Frequently asked questions
AZW3 is Amazon's Kindle Format 8 (KF8) eBook file format used for storing digital books on Kindle devices and apps.
You can open AZW3 files on Kindle devices, via the Kindle app on various operating systems, or using free software like Calibre.
Yes, you can convert unprotected AZW3 files to formats like DOCX using online conversion tools such as ConvertX.