Best Koreader: Plugins

Why you need it: The default highlight export in KOReader is a plain text file. It’s fine, but useless if you use a PKM (Personal Knowledge Management) system like Obsidian, Logseq, or Notion.

What it does: This plugin reformats your highlights and notes into Markdown (or JSON/CSV). It can:

Power-user workflow: Set this plugin to save directly into your Obsidian vault folder. Your highlights will appear as native Markdown notes, ready for linking and tagging.

Why you need it: To gamify your reading habit.

What it does: Overlays a heatmap calendar on your home screen. Each day you read more than 15 minutes gets a darker shade of green. It tracks:

Killer feature: Export your reading history as a CSV to build a personal dashboard in Google Sheets or Grafana. best koreader plugins

Best for: Performance tuning and battery optimization.

Before you do anything else, install Auto-Configure. This meta-plugin allows you to apply specific settings (frontlight level, Wi-Fi status, refresh mode, font family) based on the time of day or battery percentage. For example, you can set it to:

This plugin runs silently in the background, ensuring your device is always optimized without manual toggles.

Best for: Researchers, grad students, and non-fiction readers.

If you use Zotero to manage citations, this plugin is a game-changer. The Zotero plugin for KOReader connects wirelessly to your Zotero database. You can: Why you need it: The default highlight export

To use this, ensure your Zotero PC client has the “Zotero WebDAV” or "Zotero KOReader Connector" add-on installed. This turns your e-ink device into a portable literature review station.

Why you need it: This is a more specialized version of AutoSet. It gradually shifts your screen’s color temperature over the course of the day.

What it does: Using your device’s internal clock and GPS coordinates (or manual settings), AutoWarmth calculates sunrise and sunset. It then slowly increases the orange/amber hue as the sun sets, reducing eye strain exactly like f.lux or iOS Night Shift.

Best for: Kobo Libra 2, Kindle Oasis, or any device with a warm-light LED.

| User type | Priority plugins | |------------------------|--------------------------------------| | Casual paperwhite reader | Send2KOReader, Calibre Sync, OPDS | | Web article hoarder | Wallabag, Send2KOReader | | Student / Researcher | Exporter, HTTP File Server | | Tinkerer | Terminal, SSH Server, ZSync | Power-user workflow: Set this plugin to save directly

Sometimes, Elias encountered a term he didn't know—perhaps an obscure French term for a shade of blue. In the old days, he would have to put the book down, unlock his phone, and search.

With KOReader's integrated Wikipedia and Translate plugins, he simply long-pressed the word.

Before diving into the list, a quick note on installation. Unlike complicated software, installing KOReader plugins is refreshingly simple:

That’s it. The new plugin will appear under the Tools → Plugins menu.

Now, let’s get to the good stuff.