KOReader is highly extensible, offering both powerful built-in plugins and a vibrant ecosystem of user-contributed extensions
. This guide highlights the most helpful plugins for managing your library, syncing progress, and enhancing the reading UI. Core Built-in Plugins
These are pre-installed and only need to be enabled in the menu (
cap S e t t i n g s right arrow cap P l u g i n space m a n a g e m e n t Calibre Wireless Connection : Allows you to send books from your Calibre Library directly to your device over Wi-Fi. : Retrieves saved articles from your Wallabag account for offline reading, similar to Pocket. News Downloader
: Downloads RSS and Atom news feeds as HTML files directly to your device. : Allows you to select text and generate a to quickly transfer quotes to your phone. Essential User-Contributed Plugins To install these, you typically download the folder and place it in the koreader/plugins/ directory on your device:
If you install only one: AutoSet. If you read across devices: Progress Sync. If you hoard books: Calibre Companion.
KOReader’s plugin system is refreshingly non-greedy—no paywalls, no telemetry, just community tools that work offline. These plugins turn a good reader into your reader.
Would you like a quick setup guide for any of these?
KOReader is known for its incredible flexibility, allowing users to transform their e-readers into powerful, personalized tools. Beyond its standard document-viewing capabilities, community-developed plugins
can significantly enhance everything from your visual interface to how you manage your library and reading statistics. UI & Experience Customization
For many users, the primary goal is making the technical interface of KOReader feel more like a modern, user-friendly device. ProjectTitle
: Currently one of the most popular UI overhauls. It creates a much cleaner, more aesthetically pleasing look for the library and reader views.
: A distraction-free plugin that adds a dedicated home screen, customizable bottom navigation, and a top status bar. It aims to provide instant access to library and stats without digging through nested menus. Reading Ruler
: Adds a movable horizontal line to guide your eyes as you read—ideal for maintaining focus or reading while commuting.
KOReader is a powerhouse for e-ink devices like Kindle and Kobo, but its true potential is unlocked through its extensive ecosystem of plugins. Whether you want to sync your highlights to the cloud, wirelessly transfer books, or gamify your reading habits, these plugins transform a simple reader into a high-tech library hub. Essential KOReader Plugins for 2026 best koreader plugins
Most users find that a few key plugins drastically improve their workflow. Below are the top recommendations based on community consensus and functionality.
App Store Plugin: Perhaps the most important "meta-plugin," the KOReader App Store allows you to browse, filter, and install other plugins and patches directly from your e-reader without needing a computer.
LocalSend: Think of this as "AirDrop for e-readers." The LocalSend plugin lets you wirelessly send ebooks and documents from your phone or PC directly to your Kindle or Kobo.
KoDashboard / KoInsight: For those who love data, KoDashboard serves a local web dashboard. You can view your reading stats, book covers, and calendar activity on any device in your home network.
ReadMastery: If you need a little motivation, ReadMastery gamifies your reading with XP, level-ups, and streaks—similar to Duolingo but for books.
HighlightSync: Never lose a note again. HighlightSync merges and synchronizes your highlights, notes, and bookmarks across multiple devices or cloud storage.
Calibre-Web Integration: Seamlessly connect your device to your Calibre-Web server to browse and download your entire library over OPDS without ever plugging in a USB cable. Specialized Tools & Fun Extras
ABS-Kosync: A niche but powerful tool for audiobook fans that syncs reading progress between Audiobookshelf and KOReader.
QuickRSS: A fast, standalone RSS reader for KOReader that lets you catch up on news articles directly on your e-ink screen.
Mokuro Reader: A must-have for manga readers, this plugin enables OCR text selection and dictionary lookups for Japanese manga processed with Mokuro. How to Install KOReader Plugins
If you aren't using the App Store plugin, manual installation is straightforward:
Download: Find the plugin on GitHub (often in the KOReader Contrib repo) and download the .zip file.
Extract: Unzip the folder. The resulting folder name should end in .koplugin (e.g., localsend.koplugin). Transfer: Connect your device via USB. Kindle: Copy to /mnt/us/koreader/plugins/ Kobo: Copy to .kobo/koreader/plugins/ Android: Copy to /sdcard/koreader/plugins/
Restart: Completely exit and restart KOReader for the new plugin to appear in your menus. Verdict If you install only one: AutoSet
While KOReader is packed with powerful built-in features, third-party and community plugins can significantly "supercharge" your reading experience, especially on E-Ink devices like Kindles or Kobos. Essential KOReader Plugins & Tools
App Store Plugin: The most critical tool for any plugin hunter. This acts as a centralized "store" inside KOReader, allowing you to browse, install, and update other plugins and patches directly from the device without needing a computer.
Simple UI: A popular visual overhaul for those who find the default KOReader menu system overwhelming. It introduces a more modern interface with simplified navigation and better support for author and series organization.
Rakuyomi: A "must-have" for manga enthusiasts. It is specifically designed as a manga reader plugin that optimizes the reading experience for comics and graphic novels.
Supercharged AI Dictionary: A newer community favorite that uses AI to provide more nuanced or contextual definitions than standard dictionaries.
Wallabag / Pocket Sync: While often built-in, ensure these are enabled if you use "read-it-later" services. They allow you to sync articles from the web directly to your e-reader for offline viewing. How to Install and Manage Plugins
Direct Download: Most plugins are hosted on GitHub. You typically place the plugin folder (e.g., simpleui.koplugin) inside the /koreader/plugins/ directory on your device.
Using the App Store: Open Tools > App Store in the KOReader menu to find a curated list of community-developed tools.
User Patches: For deeper visual tweaks (like changing highlight colors), look into the Patches tab within the App Store or community forums. Core Built-in Features (Often Mistaken for Plugins)
Many users seek plugins for things KOReader already does natively: App Store Plugin for KOReader - GitHub
These plugins are designed to modernize the KOReader interface and make it feel more cohesive with modern e-ink devices.
Project Title: Currently one of the most popular UI plugins. It provides a complete visual overhaul, offering a cleaner home screen that displays book covers, series information, and reading progress in a more modern layout.
CoverBrowser: A classic bundled plugin that allows you to browse your library using book covers instead of a simple list.
Status Bar Customization: While often built-in, many users consider the ability to customize the footer with "Time," "% Read," and "Book Title" a must-have for a streamlined experience. 2. Syncing & Library Management such as tapping
For readers who switch between devices or use desktop software like Calibre, these are essential for keeping data consistent.
The Best KOReader Plugins for a Superior E-Reading Experience
KOReader is a powerhouse of e-ink customisation, but its true strength lies in its modularity. While the core application is lean, its extensive plugin system allows you to transform a standard Kindle, Kobo, or Android device into a hyper-efficient reading workstation.
Whether you're looking to gamify your reading, sync highlights to the cloud, or overhaul the user interface, here are the best KOReader plugins and how to use them. 1. UI and Navigation Overhauls
The default KOReader interface is functional but minimalist. These plugins give your e-reader a modern look and better browsing efficiency.
Project: Title: One of the most popular community plugins, Project: Title replaces the standard file browser with a much cleaner, book-centric UI including better cover art management and footer integration.
SimpleUI: A lightweight alternative to Project: Title, providing a modern home screen experience with widgets.
App Store: For users who don't want to manually copy files over USB, the App Store plugin lets you discover, install, and update other community plugins directly on your device.
Bookends: Adds a configurable on-screen display overlay for real-time reading data. 2. Essential Productivity and Syncing
Keeping your highlights and reading progress in sync is vital for power users.
The Gesture plugin enables users to customize gestures in KoReader, such as tapping, swiping, and pinching. This plugin allows users to tailor the reading experience to their specific needs.
Why you need it: You read in different environments. In bed at night, you want a warm frontlight (10% brightness, 0% blue light). On a sunny porch, you want 100% brightness and sharp contrast. Manually changing these settings every time is tedious.
What AutoSet does: It automatically detects your environment or schedule and switches profiles. You can set rules like:
Pro Tip: Combine AutoSet with the Progress Syncing plugin (listed below) to automatically switch between your day and night reading positions.
These plugins handle the dull, repetitive tasks so you can focus on reading.