Supported eBook Formats | Amazon Kindle Direct PublishingKindle File Format is a proprietary e-book file format created by Amazon. AZW files debuted with the first Amazon Kindle in Software such as the free and open source Calibre , Amazon's KindleGen ,   and the email based Send-to-Kindle service are available to convert e-books into supported Kindle file formats. Kindle devices can also display some generic document formats such as plain text TXT and Portable Document Format PDF files; however, reflowing is not supported for these file types. In August , all the Kindle e-readers released within the previous two years were updated with a new typesetting and layout engine that adds hyphens , kerning and ligatures to the text; e-books that support this engine require the use of the "Kindle Format 10" KFX file format. As of , Amazon offers a Kindle file converter called Kindle Create.
Kindle File Format
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I'm not always sure what question I'm being asked. Really, there are only two eBook formats that are still remaining in the USA, and, when you look around, in the world. Those formats are:. If you've Googled, you've likely seen all sorts of claims, ranging from some folks telling you that you can put an ePUB on Kindle, to the idea that using Word is the best "Kindle eBook format. The former is the actual, final, encrypted Kindle format that is dispensed from the Amazon store, to your Kindle as a purchased book. That's not a format that you can make yourself. The latter, AZW3, is a file format, created to emulate what's called "KF8," the more-advanced Kindle formatting by a piece of free library software called Calibre.
Many different types of e-book readers are available, and each device has its pros and cons. E-book files likewise come in many different formats and no reader can handle them all. The Kindle supports a large number of existing formats, either natively or with conversion. A few file formats require the use of special software to be compatible with the Kindle. It is the preferred format to ensure maximum readability on the device.
The open-source EPUB e-book format is great for sharing books between different readers and making life easier on readers generally--but Amazon's Kindle, the big player, doesn't support it. Fortunately, there's a free, easy workaround: Calibre, an e-book management and conversion tool that lets you quickly port your EPUB books over to your Kindle. If you use an e-reader, it's probably a Kindle, which means it can be a pain to use open-source e-book formats like EPUB. Here's how to use it:. Of course, you can use Calibre to convert other e-book files as well. It's a powerful program that can really help folks who have multiple readers or who want to explore new formats.