| Extension | .azw4 |
| Category | books |
| Description | The AZW4 format is a proprietary eBook file format developed by Amazon for use with Kindle devices and applications. It is based on the MOBI format and is typically used for textbooks and complex layouts with advanced formatting features. AZW4 files can include features such as tables, charts, and images, making them suitable for displaying complex educational content. However, unlike standard AZW or AZW3 files, AZW4 files are not typically compatible with Kindle apps on non-Amazon devices. They may also include Digital Rights Management (DRM) protection, restricting the ability to share or copy the content. Overall, AZW4 files provide a convenient way to distribute and read textbooks and other educational materials on Kindle devices and apps. |
| Technical details | AZW4 files are essentially PDF (Portable Document Format) files with Amazon's proprietary DRM (Digital Rights Management) encryption added. This means that AZW4 files contain the same content as PDF files, but they may have additional DRM protection applied by Amazon.
AZW4 files typically contain text, images, and formatting information, similar to PDF files. They are commonly used for e-books that feature complex layouts, such as textbooks, magazines, or technical manuals.
AZW4 files may be encrypted with Amazon's DRM technology to prevent unauthorized copying and distribution.
AZW4 files support features commonly found in PDF files, such as bookmarks, hyperlinks, annotations, and text search. They also support features specific to Kindle devices and apps, such as adjustable font sizes, text-to-speech, and synchronization of reading progress across devices. |
