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
For readers who switch between devices or use desktop software like Calibre, these are essential for keeping data consistent.
KOReader is already a powerhouse, but the right plugins can transform it from a standard e-reader into a tailored workstation or the ultimate distraction-free reading machine.
To explore and install these easily, you can use the App Store Plugin for KOReader, which allows you to browse, filter, and install plugins and patches directly from the Tools > App Store menu on your device. Essential Workflow & Management
FileBrowserPlus: A significant upgrade to the stock file browser that enables wireless management of your library.
Allows uploading, downloading, and deleting files via a web browser on your phone or computer.
Supports image previews and editing configuration files without a USB cable.
Project: Title: Essential for those who want a more organized and visual library experience. Adds a "Cover Browser" feel to your library.
Requires a manual installation of specific fonts and icons to the KOReader directory for the best look.
Simple UI: Perfect for users who find KOReader’s default menus a bit cluttered.
Streamlines the interface for a cleaner, faster reading experience.
Frequently updated to improve performance and reduce lag on older E-ink devices. Specialized Reading Experience Rakuyomi: The "must-have" plugin for manga enthusiasts. Optimizes KOReader specifically for manga reading.
Offers features traditionally missing from standard document viewers, tailored for image-heavy EPUBs and archives.
Supercharged AI Dictionary: Takes standard lookup to the next level by integrating AI for deeper context. best koreader plugins
Provides more nuanced explanations than traditional StarDict dictionaries.
Can be configured to use OpenAI or similar LLM APIs for word analysis.
Home Assistant Plugin: A unique utility for smart home power users.
Allows you to control your Home Assistant entities (like lights or thermostats) directly from your e-reader's menu while you read. Quick Setup Tips
Dictionaries: While not always strictly "plugins," you can add new language support by navigating to Dictionary Settings and selecting from the built-in download list.
Installation: Most third-party plugins are installed by unzipping the folder and moving it to the koreader/plugins/ directory on your device. Supercharged AI Dictionary Plugin for KOReader : r/koreader
Do not install all of them at once. KOReader is rock-stable, but plugins add menu items and background processes. Start with Wallabag (if you read articles) or Vocabulary Builder (if learning a language). Add Calibre Companion only if you actually run a Calibre server.
Once you find your perfect plugin stack, your e-reader stops being just a book—it becomes a personal reading ecosystem.
What is your must-have KOReader plugin? Let the community know in the comments below.
Have a plugin we missed? Suggest it below, and we might update the list.
KOReader is already a powerhouse for E Ink devices, but its plugin ecosystem is what truly transforms it from a simple document viewer into a personalized reading workstation. Whether you're looking to overhaul the interface or sync your progress across multiple devices, these are the best plugins to elevate your experience as of early 2026. Interface & Visual Overhauls
These plugins change how you interact with your device, moving away from the classic, sometimes utilitarian KOReader menus. : Currently one of the most popular community additions,
adds a dedicated, modern Home Screen. It provides a cleaner, distraction-free interface with a customizable bottom navigation bar and a reworked library view. Project: Title
: This plugin offers a complete visual overhaul, focusing on aesthetics like title colors and progress bars, specifically designed to look great on newer color E Ink devices. Appearance Plugin
: A versatile tool for deep customization, allowing users to apply themes, custom fonts, and wallpapers to the entire UI. Library & Syncing Tools
Managing a large library often requires moving beyond local storage. Calibre Wireless These plugins are designed to modernize the KOReader
: Built-in but essential, this allows you to send documents directly from your Calibre library to your device over Wi-Fi, bypassing the need for cables. KOReader Sync
: For those who read on multiple devices (like a Kindle and an Android phone), this plugin synchronizes your reading position so you can pick up exactly where you left off. : If you use "read-it-later" services, the Wallabag plugin
lets you retrieve saved articles and read them on your E Ink screen as if they were books. AnnotationSync : A recent release designed to keep your highlights and notes synced across your ecosystem. Utility & Productivity : A fast, standalone RSS reader that brings your news feeds directly into KOReader.
: A great alternative for users moving away from Goodreads, this plugin allows for on-device reading progress updates to your Hardcover account. Progress Bar Patches
: Often used alongside plugins, various patches allow you to customize the footer and header
to show specific details like time left in chapter or total book progress. How to Install Plugins
Installing third-party plugins generally involves a few simple steps:
Enhancing the E-Reading Experience: A Survey of Essential KOReader Plugins
AbstractKOReader is a versatile document viewer for E-Ink devices that supports a vast range of formats, including EPUB and PDF [22, 32]. While its core functionality is robust, its extensible architecture allows for significant enhancement through community-developed plugins. This paper identifies the most impactful plugins for UI customization, content management, and productivity. 1. UI and Visual Enhancement
For many users, the primary goal of plugins is to modernize the somewhat utilitarian default interface of KOReader [12].
Project: Title: This is widely considered the premier UI plugin. Developed to expand upon the basic Cover Browser, it provides a high-quality interface that mimics commercial e-readers, making the process of browsing a library more aesthetically pleasing [17, 27].
Classics Cover Generator: A niche but powerful tool that can automatically generate and apply book covers directly on the device, ensuring a uniform look for public-domain or poorly-metadataed titles [10].
Auto Warmth and Night Mode: Essential for nighttime readers, this plugin automates the screen's color temperature based on the sun's position or a manual schedule, reducing eye strain [5]. 2. Content and Library Management
Managing large libraries and external content sources is a core strength of the KOReader ecosystem.
App Store Plugin: Perhaps the most critical utility, this plugin acts as a centralized repository for finding, installing, and updating other plugins and patches without needing a computer [12, 14].
FileBrowserPlus: An improved version of the default file manager, it allows users to manage ebooks and configuration files wirelessly from a phone or computer [1]. The Golden Rule Do not install all of them at once
Instapaper / Pocket Integration: These plugins allow users to sync and read articles saved from the web, effectively turning the e-reader into a long-form article consumer [4].
RSS Reader: For users who follow digital publications, this plugin brings live feeds directly into the reading environment [4]. 3. Productivity and Learning
KOReader is frequently used by researchers and students who require more than just passive reading tools.
WordReference / Dictionaries: Beyond the built-in dictionary support, dedicated plugins like WordReference provide deeper linguistic resources for language learners [4].
Random Quote Plugin: Designed for those who highlight frequently, this plugin periodically displays random quotes from the user’s library as a widget upon waking the device, aiding in retention [6].
Progress Sync: While often seen as a core feature, the sync plugin is vital for users who switch between an e-reader and the KOReader Android app, keeping reading positions and metadata synchronized [26, 28]. 4. Conclusion
The strength of KOReader lies in its community. Whether through the official contrib repository or independent GitHub projects, plugins transform a simple document viewer into a personalized, high-performance digital library [18, 20]. AI responses may include mistakes. Learn more
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.
plugins directory in the source./koreader/plugins/ on your device (visible when KOReader’s root folder is accessed via USB or SSH).Note: Some plugins are pre-packaged in “KOReader nightlies” (builds from the last 7 days). Check your version: Tools → Settings → Version.
Before diving into the list, a quick note on installation. Unlike complicated software, installing KOReader plugins is refreshingly simple:
koreader folder on your device’s root storage.plugins subfolder (e.g., koreader/plugins/)..lua file or folder from its GitHub repository.plugins folder.That’s it. The new plugin will appear under the Tools → Plugins menu.
Now, let’s get to the good stuff.
Elias was writing a thesis. The bane of his existence used to be transcribing quotes. On a paper book, he would dog-ear pages and scribble in margins. On stock e-readers, the highlighting tools were often clunky and hard to export.
The Highlights system in KOReader isn't just a marker; it’s a database. But the real power comes when paired with plugins like Readwise or simply using the "Export highlights" feature.