KOReader Plugins

Plugins extend KOReader — add downloaders, sync tools, UI tweaks, clocks, dictionaries, and other handy features.

Essential

Audiobook Read-Along - TTS with synchronized word highlighting, automatic page turns, Bluetooth audio, audiobook/music playback, and Audiobookshelf server integration. Works offline on Kindle, Kobo, Android, and Linux
Time Block - Schedule KOReader reading windows with PIN-locked parental controls
Project: Title - Enhanced cover browser with custom title bar, book listings, and visual improvements
ZenOS - Interface layer for KOReader with a Home page of widgets, a redesigned Library, a quick Controls panel and a launcher
Notes - Handwritten notes with stylus support
Crossword - Solve crosswords on your device
Anki - Generate Anki flashcards from dictionary lookups
Reader Menu Redesign - Redesigned reader menus and popups
Digital Clock - Display time, date and image as clock
Reading Ruler - Movable underline to guide reading
Weight Tracker - Track weight measurements
Smart Delete - Enhanced file deletion with warnings
Weather - Weather forecasts and conditions
MTA Stop - Real-time MTA bus arrivals and local weather
Web Browser - Text-based web browsing
Assistant (omer-faruq) - AI assistant for translation and summarization while reading
Go To Bed - Enforces bedtime
ScreenLockPin - Protect your KOReader with a PIN
Screenlock (Wake PIN) - Lock KOReader with a PIN after wake
Pinpad Screenlock - Numeric keypad PIN lock-screen variant
SimpleUI - Highly customizable home screen with bottom navigation
Bookshelf - Home screen where you pick a book from your shelf and read it
Bookends - Configurable text overlays with tokens, icons, per-line styling and presets

File Management & Sync

Telegram Downloader - Send files via Telegram bot
ZenFM - Web file manager for your e-reader. Browse, upload and share files from a phone or computer on the same network. Beta
LocalSend - Wireless file transfer to Kindle without USB or server setup
Annotation Sync - Sync annotations across devices via cloud
Super Sync - Full metadata sync to cloud storage
Email to KOReader - Receive documents and articles directly to your device via email
SyncThing - Seamless file synchronization across devices using Syncthing
FileSync - Wireless file manager
KOSyncthing+ - Managed Syncthing daemon inside KOReader with Wi-Fi handling and conflict resolution
Backup - Device backup and restore
Syncery - Cross-device sync of reading progress, annotations, metadata and font/style settings
Deluxe Sync - Multi-server capable KOReader Sync client
Library Sync - Sync missing books from a Booklore/Grimmory OPDS server
OPDS Folder Sync - Per-catalog sync folders and automatic downloads for OPDS
Syncthing (Kindle & Kobo) - Run Syncthing on Kindle and Kobo e-readers
Kindle MTP - USB file transfer (MTP) on newer Kindles while KOReader keeps running
Remote Library - Browse your remote cloud libraries inside KOReader's file manager
USBNet Calibre Connect - Connects KOReader to Calibre over USBNet

Reading Services Integration

Readeck - Integration with Readeck instance
Substack Reader - Read your Substack inbox, saved posts and subscriptions. Uses your own login cookie
Readeck (iceyear) - Readeck integration
Wallabag 2 - Wallabag v2 server integration
Hardcover - Update reading status on Hardcover.app
Telegram Highlights - Send highlights to Telegram bot with images
Zotero - Browse and download from Zotero collections
Audiobookshelf - Browse and download from Audiobookshelf server
Beeminder - Auto-log reading progress to Beeminder
Gota (Raindrop.io) - Access Raindrop.io bookmarks
Karakeep - Access Karakeep bookmarks
WebDAV Highlights Export - Export highlights to WebDAV
Highlight Sync - Sync reading highlights with external services and cloud storage
Highlights Web App - View and filter KOReader highlights in your browser
Hylit - Sync KOReader highlights to Notion or Hardcover
ABS KoSync Bridge - Sync reading progress between Audiobookshelf and KOReader
EReader - Read-it-later client with Instapaper support
OPDS Plus - Enhanced OPDS browser with advanced catalog features
Miniflux - Read your Miniflux RSS feed entries with offline caching
QuickRSS - Fast, standalone RSS reader
Instapaper - Download and read articles from your Instapaper account
Kamare - Manga reader that connects to a self-hosted Kavita library
Home Assistant - Control Home Assistant entities without leaving your book
Goodreads Sync - Sync reading status, progress and ratings to Goodreads
Rebind - Update an EPUB's embedded metadata from Hardcover, on-device
Notion Sync - Sync highlights to Notion databases
Errol - Sync highlights to Telegram and Discord with an offline queue
Storyteller Sync - Sync progress with the Storyteller app
Highlight Import - Import highlights from a Kindle clippings file
Metadata - Search and apply online book metadata and covers
CWNGSync - Reading progress and highlight sync with Calibre-Web-NextGen
NeoDB - Sync ratings, progress, notes and highlights to NeoDB
Send to Discord - Send highlighted text or your clipboard to Discord via webhooks
Heartbeat - Expose your reading state and book metadata as a Home Assistant sensor
SciELO - Search and download open access articles from SciELO
Readwise Reader - Read-later and highlights with Readwise and Readwise Reader (subscription needed)
ShelfSync - Syncs progress, notes and status to The StoryGraph, Hardcover and others

PocketBook Specific

PocketBook Cover - Sync book cover to power-off screen
PocketBook Sync - Sync reading progress to PocketBook Library
PocketBook Tools - PocketBook integration tools

Kobo Specific

Kobo Plugin - Enhances the experience on Kobo devices
Pencil - Stylus notes in EPUBs for Kobo Libra Color
Bluetooth (Kobo) - Turn Bluetooth on and off on Kobo devices
WireGuard (Kobo) - Bring a WireGuard VPN up and down from the menu on Kobo e-readers
Eraser (Kobo Stylus) - Use the Kobo Stylus eraser end

Dictionary & Language

Dictionary Mode - One-tap dictionary lookups
WordReference - Lookup words on WordReference
Vocabulary Builder - Build vocabulary from lookups
Floating Dictionary - Lightweight, customizable floating dictionary popup
Fast Dict Lookup - Kindle-style typewriter cursor that looks up words instantly
KOTranslate - Translation with 9 providers, including offline
SplitRead - Real-time translations in a split panel for language learners
Anki Viewer - Study Anki flashcards from locally imported .apkg decks
Phrase Deck - Collect phrases from books and study them with Anki flashcards
Vocab Deck - Save words while reading and review them as flashcards
Offline Translator - Offline translation and OCR bridge
Footcream - Converts measurements while you read (imperial to metric and back)

Utilities & Tools

RemoteNote - Type notes on another device for highlighted passages
Clock - Analog clock display
Time & Day - Fullscreen time and date widget
WeatherLockscreen - Displays beautiful weather information on your device's sleep screen
Crash Log Viewer - View and filter crash logs
Airplane Mode - Quick airplane mode with plugin management
Icons Changer - Download and change icon packs
Stoka - Launch external binaries and scripts from KOReader
To-Do - Simple todo list app
Illustrations - View and manage book illustrations in a dedicated gallery
Menu Customizer - Personalize menus and reorganize interface elements
Updates Manager - Manage and control plugin and app updates
App Store - Browse and install KOReader plugins and apps
Memobook - Personal dictionary for terms and in-book memos
RSS Reader - Follow RSS feeds from a single screen
TBR Planner - Organize and schedule your To Be Read list
Tailscale Toggle - Toggle Tailscale VPN for secure remote access
Tailscale - Install the Tailscale binaries and join your tailnet from KOReader. Pairs well with the Syncthing plugin for syncing books away from home
Flat View / By Author - Reorganize file view by author or flat list without moving files
KOAssistant - AI assistant integrated into KOReader
Insightful - Lightweight AI reading helper that searches the open book to answer questions. Needs your own API key for OpenAI, DeepSeek, OpenRouter or Anthropic
Customisable Sleep Screen - Show reading stats and book info on your sleep screen
CoverScene - Put the current book's cover into a background picture on the sleep screen, such as a lectern in a library
Hitokoto - Show a random quote on your sleep screen. Needs the Hitokoto sentence files downloaded separately; tested on a Paperwhite 11th gen
Appearance - Customize KOReader's look and color scheme
SimpleUI Ext - Extra home screen modules and patches for SimpleUI
Shortcuts Toolbar - Toolbar of shortcuts for quick access
Page Scrubber - Smooth visual scrubber for skimming and navigating books
Kindle BT Controller - Control KOReader with Bluetooth game controllers and remotes
Word Wise - Short definitions above difficult words
Ink Away - Drawing, note-taking and book annotation built for e-ink
PlainUI - Minimal home screen
Solar Icon Pack - Modern rounded icons for KOReader and SimpleUI, in color or mono
VOS (Visual Overhaul Suite) - Large set of visual customizations
Quick Menu - Quick menu for settings and actions
App Launcher - Organize installed plugins into categories and open them with a gesture
Reading Style - Common book-layout settings behind simple controls
Side TOC - Table of contents in a side panel
Burrow - Library-first interface with cover browsing, series navigation and OPDS catalogs
Multi-User - Isolated user profiles with separate settings, history and stats
Live Light - Adjust brightness and warmth by dragging along the screen edges
Derainbowify - Remove rainbow artifacts on Kaleido 3 color e-ink screens, including Kindle Colorsoft
Doctor Battery - Battery diagnostics, health analysis and charging status
Tapless - Swipe keyboard
Ligature - Swipe typing tuned for e-ink and one-handed use. Learns your words, with a one-handed keyboard mode. Replaces Tapless and is not compatible with it
Reorder Menus - Reorder and hide menu items
WiFi Indicator - Suppress Wi-Fi popups and show a quiet status icon instead
Folder Memory - Remembers your folder preferences
Incognito - Read without recording history
Stopwatch & Timer - Stopwatch and timer
Eye Rest - 20-20-20 eye-strain break reminders paced by reading time, plus a sleep timer
Two Lines - Two vertical guide lines on the page as a speed-reading aid
Minfolio - Markdown editor with live styling and a command palette. Best with a Bluetooth keyboard. Fork of the original by Kal Kaliper
Kindle Auto Brightness Bridge - Keeps KOReader's brightness controls in sync with the Kindle's native auto-brightness. Needs a Kindle with a light sensor
Picture Feed - Show a live camera snapshot (Frigate, Blue Iris, UniFi and others) in a corner of the page while you read
KOReader Remote - Turn pages and control KOReader from a phone browser on the same network, with no app or account. No password, so use it on trusted networks only
ZenPM - Package manager for KOReader plugins and patches and Kindle scriptlets. Also available as a standalone Kindle app
Crop Enhancer - Better page auto-crop using connected-component analysis
Page Turner - Remote page turning from an Android companion app
TTS - Text-to-speech
Finger Ink - Draw with your finger on older Kindles
Stylus Annotations - Hand-drawn stylus annotations for PDF, EPUB, FB2 and more
Wiki Reader - Read Wikipedia articles as formatted books
Home Page - Home page for KOReader
MiniMenu - Popup menus you can open from a tap, gesture or another plugin
Tabbed Reader - Browser-style tabs
Custom Tap Zones - Configure custom tap zones for page turning
App Dock - Android-like home screen with an app launcher, split screen and web browser
Collections Mosaic - Show collections as virtual folders in the file browser
KoJump - Handle your position jump history
HTML Replacer - Edit EPUB HTML on-device with regex replacements
Segmented Page Turn - Directional, stepped wipe animation on page turns
Unit Lens - Find the equivalent of a unit in another measurement system
Metadata File Extract - Parse metadata from filenames and sync local .meta description files
KOFetch - System-monitor style dashboard
Glimpse - Peek at maps, family trees and other reference images without losing your place
KoPlay - Spotify on your e-reader: see what's playing, skip, pause and browse playlists
CyberUI - Cyberpunk home screen with neon themes
Dynamic X-Ray - Kindle-style X-Ray: your own explanations of people and places, across a single book or a whole series
X-Ray Plugin (AI) - AI character tracking and timelines (needs a Gemini or ChatGPT API key)
Font Switcher - Cycle through fonts with gestures or a menu
Icon Browser - Browse KOReader's icon names
Icon Pack Manager - Switch icon packs for KOReader and Simple UI (Chinese docs)
QuickUI - Quick actions, cover visuals, cloze mode, header and footer, and a metadata editor
Life Tracker - Bullet-journal planner for quests, habits, mood and reading stats
RSVP Speed Reader - Speed reading (RSVP) with tap-to-launch and resume
Neo QuickSettings - Customisable quick settings panel with shortcuts, sliders and an icon picker
Kodashboard - Local web dashboard for your library, reading stats and calendar. Designed to run only while you need it
PagePair - Syncs page turns between two Kindles for side-by-side reading (pre-release)
TRMNL KOReader - Turns KOReader into a TRMNL dashboard display
Kindle Apps for KOReader - Launcher and apps for the Kindle Scribe: Home Assistant, To Do, notes, SSH and more
Bookshelf Screensaver - Bookshelf-style sleep screen showing your recent books

Games & Entertainment

Frotz - Play interactive fiction (Z-machine) games inside KOReader
Connections - NYT Connections puzzle game
sudoku - Sudoku in KOReader
sudoku non-touch version - Sudoku non-touch version
Word Search - Solve word search puzzles on your device
Checkers - Play the classic board game against a friend or the AI
Casual Chess - Chess with Swordfish engine
2048 - A game inspired by 2048
Sokoban - Push the crates to the target positions in this addictive classic puzzle game
Slide puzzle - A minimal classic sliding-tile puzzle that runs inside KOReader
KoPet - a virtual Tamagochi pet for Koreader
Solitaire - Solitaire card game
Crossword (omer-faruq) - Play .puz/.ipuz crosswords from local files or online sources
Nonogram - Picture cross puzzles with tap-friendly controls and hints
Board Games - Chess, Checkers, Connect 4, Tic Tac Toe and more in one plugin
InkMate - Chess, Checkers, Reversi and Fox & Hounds for e-ink, with offline AI opponents and online chess through Lichess
Mahjong Solitaire - 24 layouts, 3D tiles, hints, undo and statistics. Made with the Kindle Touch in mind
Backgammon - Backgammon with five AI levels
Merchant - Turn-based trading game across six trading posts
Sudoku+ - Sudoku puzzles with a logic tutor
Water Sort - Monochrome water sort puzzle, built for e-ink

Reading Tracking & Goals

Reading Streak - Build reading habits and track consecutive reading days
Reading Insights - Full-screen overview of your reading history
Cover Calendar - Book covers in a calendar for reading stats
ReadMastery - RPG-style reading progression
Character Tracker - Track characters as you read
Backlog - Remember which articles you have read in a magazine or anthology
Random Quote - Show a random quote from your highlights
Book Card - Book-card sleep screen
Sleep Ribbon - Minimal customizable sleep-screen banner
Page Notes - Stickers and annotations
Notebook - Create, annotate and share notebooks
Image Bookmarks - Save and revisit images instantly
Book Nook Charms - Bookmark ribbon and dog-ear charms
My Clippings - Consolidate highlights scattered across your reading setup
Pomodoro - Pomodoro timer
Context Creator - Build context around characters, places and concepts as you read
Relego - Periodic recap of your highlights

Archive of Our Own (AO3)

AO3 Downloader - Download and read works hosted on Archive of Our Own
AO3 Updater - Auto-update AO3 EPUBs

Comics

Mokuro Reader - Manga OCR text overlay reader for KOReader
Meguru - Faster CBZ manga reader with auto-crop, manga mode and panel reading. Streams from Kavita, Suwayomi and Komga through OPDS
Comic Meta - Extract metadata from CBZ/CBR files
Comic Reader - Dual-page view for comics
Maximum - Better zooming for manga
Bubble Zoom - Magnify speech bubbles in comics and manga
Panel Reader - Panel-to-panel navigation
Leading Manga Zoom - Grid zoom, auto-rotate and page split for manga
Image Processing - Higher-quality manga/comic scaling with AVIR/Lanczos and sharpening
Komga - Komga client
Stretch - Stretch manga and comic pages to fill the screen width
Smart Webtoon Scroll - Panel-aware scrolling with auto fit for webtoons
Dynamic Panel Zoom - Panel-by-panel zoom for comics and manga you own
Panels+ - Panel-by-panel reading with auto-zoom for comics

Development

Developing Your First KOReader Plugin - Learn to build KOReader plugins with Lua. Complete guide covering environment setup, _meta.lua, main.lua, and Hello World example

Missing something? Ping me and I'll add it.