KFX Abbreviations, Full Forms, Meanings and Definitions
Amazon making Kindle personal documents compatible with KFX - Good e-Reader
An Overall Introduction to Kindle KFX Files
All kindle books are imported as kfx-zip · Issue #686 · apprenticeharper/DeDRM_tools · GitHub
5 Must Know Tips about Kindle KFX Format to Help You Handle Kindle KFX
I am glad Kindle focused on software this year, and now all devices receive KFX conversion through send-to-kindle. Anyone else use custom embedded fonts for chapter titles in their books. : r/kindlescribe