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In the same dialog, switch to the Page setup tab from the left panel. AZW3 is short for KF8 format or Kindle Format 8. We need to change it to Amazon Kindle file format, AZW3 or MOBI, from the drop-down list. You will see the output format default to EPUB. Click the Convert books button at the toolbar, a new dialog pops up. After that all the added books should be found in the middle list. Select and add books to the conversion program. Browse to the folder where your EPUB, PDF and other books are saved. Launch free book converter on computer, hit the Add books button at the top toolbar. This is a cross-platform ebook converter which comes with different versions for Windows, Mac, and Linux. In this quick guide, we will show you how to convert books from PDF, ePub or other formats to Kindle friendly format, the KF8 format and MOBI using a free conversion tool called Calibre on Windows 10 PC. Also ebooks in PDF, DOC, DOCX or other file format work fine on larger desktop screens, but don’t usually work well on Kindle. It, however, does not natively support ePub, the most popular ebook format. Amazon Kindle is a dedicated e-reader supporting a wide variety of content formats, such as AZW3, AZW, TXT, PDF, HTML, DOC, DOCX and so on.
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