Online KFX Converter

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Information about KFX file format

Name KFX
Full name Amazon KF10 eBook File
File extension .kfx
MIME type application/
Developed by Amazon
Type of format
Description A KFX file is an eBook created in the Kindle File Format 10 (KF10). It contains an Amazon eBook, including the text and metadata (author, title, number of pages). In addition, KFX files support enhanced typesetting capabilities (hyphenation, improved character placement and word spacing, adaptable page layout, and margins). Older versions of Kindle devices use AZW and AZW3 (KF8) file formats.
Technical details
Associated programs Amazon Kindle, Calibre
Convert from KFX


    👍 What is the best KFX converter?
    AnyConv. Our KFX converter is fast, free and does not require software installation.
    🔺 How to convert eBook files to KFX?
    Choose files and upload them on the page. Select "to KFX" and click "Convert". After a few seconds, you can download KFX files.
    🔻 How do i change KFX to another format?
    Upload your KFX-file on the page. Select target format and click "Convert". KFX conversion takes a few seconds.
    📱 Can I use KFX converter on iPhone or iPad?
    Yes, you can convert KFX files from iPhone, iPad and other mobile devices, because AnyConv KFX Converter is a multi-platform web service.