What are you using (Kindle, Kobo, Android-based)?

is integrated into KOReader and handles synchronization of your reading position across devices. It uses an MD5 hash of your book file to identify it uniquely across devices and lets you choose whether to be prompted or automatically accept updates. You can host your own server or use a community-hosted server.

It solves the only remaining pain point of open source reading. No cloud subscription. No proprietary server. Just a text file.

The OPDS (Open Publication Distribution System) plugin is another powerful tool for KoReader users. OPDS allows for the discovery and downloading of eBooks from OPDS-compatible catalogs directly into KoReader. This plugin opens up a vast library of free and public domain books, making it a treasure trove for readers.

Whether you want to sync highlights to your favorite note-taking app, transfer books wirelessly, or gamify your reading habits, these are the best KOReader plugins for 2026. 1. Top Essential & Utility Plugins

Eliminates the need to connect your e-reader to a computer with a USB cable. You can browse, download, and organize your entire digital library wirelessly over Wi-Fi. Wallabag / Pocket Integration

Are you looking to fix a , like battery life or syncing? Share public link

If you use Calibre to manage your books, you hate manually entering series info and tags. This plugin reads the metadata.calibre file from your Calibre library folder and writes it into KOReader’s internal database.