The KoboTouchExtended plugin has been in active development for over a decade. It does not modify your Kobo’s firmware. It does not root your device. It simply acts as a smarter USB driver and a post-processing script.
At its core, KoboTouchExtended is a Calibre plugin that modifies how books are sent to your Kobo device. Its primary superpower is . kobotouchextended plugin
If you care about reading statistics, page numbers that make sense, and a snappy interface, this plugin is non-negotiable. It is, without a doubt, the first thing I install on any new Calibre setup. The KoboTouchExtended plugin has been in active development
Without the KoboTouchExtended plugin, you would have to manually convert every EPUB to KEPUB using Calibre’s conversion tool before sending it to your device. With the plugin, in the background as you click "Send to Device." It simply acts as a smarter USB driver
The headline feature. You keep your master library in standard EPUB (which is open, editable, and future-proof). The plugin creates a temporary KEPUB copy, sends it to the Kobo, and then discards the temporary file. Your original EPUB stays pristine.