In late 2011, the Kindle Fire introduced 'Kindle Format 8' (KF8), also known as AZW3 file format. Kindle devices are designed to use Amazon's own e-book formats: AZW. Each PDF file encapsulates a complete description of a fixed-layout flat document, including the text, fonts, graphics, and other information needed to display it. The Portable Document Format (PDF) is a file format used to present documents in a manner independent of application software, hardware, and operating systems. Application/pdf, application/x-pdf, application/x-bzpdf, application/x-gzpdf MOBI) (no longer supports the most up-to-date Kindle features)Īnd the formats supported by the Send to Kindle apps: Here are the supported formats by the email address (or as Amazon calls it, the Kindle Personal Documents Service): AZW is Amazon’s own format, however, and it doesn’t make too much sense to drop it (note: the latest versions of the format use the. The company argues that MOBI is outdated and we’re inclined to agree (but so is RTF and that will continue to be supported). That’s not the full story, though, Amazon giveth and Amazon taketh away – support for sending MOBI and AZW files will be dropped. The Send to Kindle applications will gain support for the format in late 2022. This service now accepts EPUB files – a quick test shows that this change is already live. While the company still hasn’t fully embraced the competing standard, at least you can now skip the manual conversion step.Īs you may or may not know, you can email a document or book to your address and it will be automatically converted and loaded onto your device the next time it connects to the Internet. Those of you who use a Kindle ebook reader but don’t buy books from Amazon know the hassle of converting from the widely-accepted EPUB format into something that the Kindle can actually read – typicall MOBI or AZW.

Epub to kindle converter online