AZW3, Amazon KF8 eBook File (.azw3)

The AZW3 eBook file format

Amazon created the AZW3 format (Kindle Format 8, also known as KF8) to replace the older AZW version of their Kindle eBook files. Contrary to the outdated AZW files, files with the AZW3 extension support markup languages like HTML5 and CSS3. Additionally, it has more formatting options than the old AZW files. Thus, AZW3 is the only format newer eBooks are distributed in when purchasing them from Amazon.

Technical details of AZW3 files

Essentially, AZW3 files consist of compiled EPUB files which utilised a Palm database together with Amazon's DRM protection scheme. EPUB 3 versions support is targeted, yet already existing EPUB files can be used as well. In most cases, contained in the AZW3 file a MOBI file can be found in the beginning, wile the newer EPUB (KF8) can be found later in the file. It is supported by fourth-generation Kindle devices (version 4.1.0), and the Kindle Fire device.

More information about the AZW3 file format

File extension .azw3
File category eBook
Example file Download example.azw3 file (678.52 KiB)
Associated programs Amazon Kindle for PC
Amazon kindle for MAC
Useful links Learn more about AZW3 files
File conversion Convert a file to AZW3
Developer Amazon

Convert your AZW3 file to another file format

  1. AZW3 to DOCX
  2. AZW3 to EPUB
  3. AZW3 to FB2
  4. AZW3 to LIT
  5. AZW3 to LRF
  6. AZW3 to MOBI
  7. AZW3 to PDB
  8. AZW3 to PDF
  9. AZW3 to RTF
  10. AZW3 to TCR
  11. AZW3 to TXT
  12. AZW3 to HTML
  13. AZW3 to JPG
  14. AZW3 to ZIP
  15. AZW3 to DOC

Convert your ebook file to the AZW3 format

  1. ODT to AZW3
  2. LIT to AZW3
  3. PNG to AZW3
  4. XML to AZW3
  5. TXT to AZW3
  6. RAR to AZW3
  7. FB2 to AZW3
  8. JPG to AZW3
  9. PDB to AZW3
  10. HTML to AZW3
  11. MD to AZW3
  12. DOCX to AZW3
  13. CBZ to AZW3
  14. PPT to AZW3
  15. MOBI to AZW3
  16. PDF to AZW3
  17. ZIP to AZW3
  18. RTF to AZW3
  19. AZW to AZW3
  20. EPUB to AZW3

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