Why you need it: Calibre is the gold standard for ebook management, but the default “send to device” is clunky. Metadata (series info, tags, covers) often gets lost.
What it does: This plugin turns KOReader into a Calibre client. Over WiFi, you can:
Pro tip: Use this with Calibre’s “Virtual Libraries” feature to create a custom "To Read" shelf that mirrors directly to your ereader. best koreader plugins
Troubleshooting tip: If a plugin causes crashes, delete its folder while USB-connected. No permanent damage is possible.
Why you need it: You read articles in your browser via Hypothesis (or Pocket), and you read books on KOReader. Your highlights live in two separate worlds. Why you need it: Calibre is the gold
What it does: This plugin syncs your KOReader highlights to your Hypothesis account. From there, you can use the Readwise service to aggregate everything into a single daily review.
Result: Every highlight from your ereader ends up in the same stream as your Twitter threads, newsletter clippings, and academic papers. Pro tip: Use this with Calibre’s “Virtual Libraries”
Out of the box, KOReader handles PDFs, DJVU, CBZ, and EPUB with unparalleled reflow and contrast controls. However, plugins fill the gaps in automated backups, cloud synchronization, vocabulary building, and wireless automation. These are not bloatware; they are modular tools that keep your workflow lean.
A quick note on installation: Most plugins are installed by dropping a .lua file into the plugins/ directory of your KOReader folder (usually found in koreader/plugins/ on your device’s root storage). After a restart, you will see a new "Plugin management" menu.
Let’s dive into the essential additions.
These plugins handle the dull, repetitive tasks so you can focus on reading.