[upd] - Kfx Input Plugin For Calibre Repack

: The plugin includes a specialized user interface action that allows for conversion to EPUB, PDF, and CBZ without going through the standard Calibre pipeline, which can help avoid layout issues in fixed-layout books.

naturally supports older Kindle formats, KFX files often appear as "KFX-ZIP" or encrypted fragments that require this plugin for proper "repacking" into a single, convertible file. 1. Prerequisites kfx input plugin for calibre repack