The built-in Calibre plugin seamlessly communicates with your Calibre library via a Wi-Fi connection.

The AI Dictionary is a specialized plugin that supercharges dictionary lookups. When you look up a word, it doesn't just give you a definition; it provides a much richer and more contextual explanation by tapping into AI models. This can be transformative for reading in a foreign language or understanding complex terminology.

: Often described as "AirDrop for e-readers," this allows you to wirelessly transfer books and files directly from your phone or computer over Wi-Fi. KOReader-Obsidian Sync

KOReader’s internal dictionary system is incredibly fast, but external plugins expand its linguistic capabilities exponentially. DeepL / Google Translate Integration

Pulls the summary paragraph of a highlighted historical figure, event, or concept directly from Wikipedia into a pop-up window.

If a plugin causes crashes (rare), return to the Plugins menu, uncheck it, and restart.

: A distraction-free UI plugin that adds a dedicated home screen and quick-access navigation bars, making library management feel more like a modern tablet interface.

Eliminates the need to manually extract text files from your device via USB. Wallabag / Pocket Integration

The AppStore plugin is the easiest and safest way to explore, install, and update plugins directly from your KOReader device. Here's how to use it:

Generates a visual timeline of the book, mapping out chapter lengths and your current position.

: Enables your device to connect to your Calibre library over Wi-Fi. You can wirelessly browse your collection, sync metadata like series information, and transfer books directly to the reader.

It automatically pulls RSS and Atom news feeds and formats them as HTML files on your device.

Most users manage their libraries with Calibre. While you can plug your device in via USB, the Calibre Wireless plugin turns your e-reader into a smart device that talks to your Calibre server over Wi-Fi.