Everything you need to master Korean
One toolkit for reading, watching, mining, and tracking — across every device.
Trusted by 1,000+ Korean learners
Popup Dictionary
Hover or tap any Korean word for an instant definition. The lemmatizer traces conjugated forms back to their dictionary root, so you never
have to guess the base word.
Instant Lemmatization
Automatically finds the dictionary form of any conjugated word. No more manual stem guessing.
Dual Dictionaries
Hanja & Grammar
See Chinese character origins
and clickable grammar breakdowns for every word.
Idiom Detection
Recognizes 4,490 Korean idioms spanning
multiple words and shows their meanings.
Frequency Rank
See how common each word is with frequency rankings,
so you can prioritize high-value vocabulary.
Word Status Colors
Mark words as unknown, seen, known, or hidden.
Pages turn from red to green as you learn.
Read Anything
Import your favorite Korean books or browse the web with the dictionary always at your fingertips.
EPUB Import
Drop any DRM-free .epub file and start reading immediately.
Images, table of contents, and cover art are all preserved.
Any Website
The browser extension injects the popup dictionary into any Korean webpage — news, blogs, forums, anything.
Annotations
Highlight sentences in 6 colors and add notes. Long-press for quick actions like copy, annotate, or mark progress.
Custom Typography
Adjust fonts, sizes, line height, page width, and display mode. Light and dark themes for comfortable reading.
Watch with Subtitles
Immerse in dramas, variety shows, and YouTube videos with the content you actually enjoy — with clickable subtitles and a popup dictionary right on top.
YouTube
Interactive subtitles with comprehension stats on thumbnails.
Netflix & Viki
Pop up definitions directly inside your favorite streaming services.
Local Video
Load local media with subtitle files in the built-in video player.
Subtitle Browser
Searchable transcript panel with 1T filtering and video stats.
Dual subtitles (Korean + translation)
Auto-pause after every line
Condensed playback mode
Draggable overlay on mobile
Capture vocabulary in context while you read or watch. One click creates a flashcard with the sentence, definition, pronunciation, and media.
Rich Context Capture
Audio clip from the subtitle timing
Screenshot of the video frame
Auto-filled definition & pronunciation
Translation from dual subtitles
Hanja information included
Anki Sync
One-click sync with the Anki addon
Automatic card creation and updates
Configurable card template & fields
JSON export for other tools
Compatibility Table
Chrome
Firefox
Android
iOS
Netflix
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Viki
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Youtube
Local Media
Audio capture
Image capture
Frequency Lists
Searchable, ranked lists for discovering and tracking vocabulary at every level.
Word Frequency
Words ranked by frequency across beginner, intermediate, and advanced tiers. Browse words
Grammar Frequency
Grammar patterns ranked by how often they appear in real content. Browse grammar
Idiom Frequency
4,490 idioms ranked by occurrence frequency in a large Korean corpus. Browse idioms
Community Rankings
See which words real learners know first, ranked by community-wide data. See rankings
Explore Content
Find your immersion sweet spot. The recommendation engine indexes 350k+ media items and calculates your exact comprehension percentage for each one.
Comprehension Score
See the exact percentage of words you know in every piece of content before you start.
Smart Filters
Filter by tags, complexity, source, and comprehension to find content at your level.
350k+ Items
YouTube, Netflix, Viki, books, podcasts, and web content — all searchable in one place.
Track Your Progress
Every dictionary interaction is automatically tracked. Watch your vocabulary grow with detailed analytics — no manual timers needed.
Activity Heatmap
Weekly heatmaps with hour-by-hour visualization of your study patterns
Vocabulary Growth
Track daily word gains, comprehension progress, and rank distribution
Active Immersion Time
Tracks active dictionary usage time — not passive listening, only real engagement
Grammar Reference
271 grammar points with examples, audio, and usage notes — linked directly from the popup dictionary
so you learn grammar in context.
Linked from the Dictionary
Every grammar pattern in the popup decomposition links to its dedicated reference page — learn grammar in context as you read.
Community-Contributed
Grammar content is open source and wiki-like — anyone can contribute examples, corrections, and improvements.
Audio Examples
Every example sentence includes audio so you can hear the grammar pattern in use.
Fully Customizable
Tailor every detail to your preferences — from reader typography to subtitle styling and keyboard shortcuts. Explore the settings yourself, no account needed.
Light & dark color themes
Custom fonts & text sizes
Subtitle style, color & position
Secondary subtitle blur
Reader display modes & page width
Video playback shortcuts
Word status behavior & underlines
Mining definition templates
Subtitle background opacity
Condensed subtitle playback
Line height & text alignment
Dictionary layout preferences
Available Everywhere
Your vocabulary and progress sync across every platform. Pick up where you left off on any device.
Plus a full-featured web app at kimchi-reader.app
And more tools
Paste any Korean text for instant parsing
Standalone dictionary with semantic search
Browse Chinese characters with readings and meanings
Ready to unlock your Korean?
Start your free 7-day trial today. No credit card required.
Community & Social