Browser Extension
Every word you look up, remembered.
The Ikhou Companion lives in your browser. Look up a word on any page—it saves the word plus the sentence you found it in. No copy-paste. No tab-switching. No lost context.
No tab switching. No copy-paste. No lost sentence.
The public page mirrors the popup, token chips, and save flow shown in the store assets.
Definition, sentence context, and save action all stay in the same surface.
Every saved word keeps the sentence that made it memorable.
How it works
Three seconds from lookup to SRS card
Read anything in your target language
News, manga, subtitles, social media, PDFs—the extension works on every webpage, including YouTube.
Select a word and look it up
Highlight or click any word. The companion panel shows definitions instantly—and quietly saves the word with its sentence.
Review on your schedule
Captured words sync to your Ikhou SRS queue. Every review card shows the original sentence so you always have context.
Features
Built for immersion learners
Inline word lookup
Select any word on any page. Definitions appear in a sleek side panel—no new tabs, no broken flow.
Page tokenization
Break down entire paragraphs into tokens. See readings, meanings, and frequency data at a glance.
YouTube integration
Works directly on YouTube. Look up words from subtitles while the video keeps playing.
PDF support
Open a PDF in your browser and look up words the same way. Great for textbooks and articles.
Context capture
Every word is saved with the sentence you found it in. Review with full context, never lose meaning.
One-click SRS sync
Every lookup is automatically queued for spaced repetition. Your review deck builds itself.
Start capturing words today.
Install the Ikhou Companion and turn your browsing into learning.
Works on Chrome, Edge, Brave, and all Chromium browsers.