Koreader Plugins Jun 2026

KOReader plugins (often with the .koplugin file extension) are modular packages that extend the base functionality of the viewer. Because KOReader is open-source, the community has created a wealth of tools that integrate directly into its menu system.

E Ink screens behave differently at midnight versus noon. The plugin is a rules engine for your device’s settings. You can tell it: "Between 10 PM and 6 AM, set front light to 5% and use the 'Night' color profile." Or: "When battery drops below 15%, disable Wi-Fi and reduce refresh rate." It’s automation that saves both your eyes and your battery.

Designed for reviewers and developers, this plugin simulates user input (page turns, highlights, menu navigation) to create looping demos. Useful for stress-testing or creating screen recordings. koreader plugins

This plugin turns KOReader into a gateway to millions of free books. It connects to online OPDS feeds (like Project Gutenberg, Standard Ebooks, or your personal self-hosted Calibre-Web server) allowing you to browse and download books directly to your device over Wi-Fi.

: Connect your e-reader to your computer via a USB cable. KOReader plugins (often with the

: Completely exit and restart the application for the plugin to appear in the menu. Plugin Management

: Tap the top of your screen while a document is open to bring up the main menu bar. The plugin is a rules engine for your device’s settings

(Lua scripting)

The KOReader plugin ecosystem is community-driven. Most plugins are developed by users who wanted a feature the base app didn't have. : Users find plugins on or specialized tools like the App Store Plugin Installation : You typically download a folder and place it into the koreader/plugins/ directory on your device. Activation

: Tracks reading velocity, time spent per book, and daily streaks, rendering beautiful operational overviews of your literary habits.