Highlight a word to find its meaning. Save instantly to learn later. Highlight. Save. Learn.
Users
8
+1 in 30 days
Rating
5.0 / 5
unchanged in 30 days
Ratings
3
0 in 30 days
Store rank
#207K
#173K among extensions
Version
0.1
updated 4 Apr 2026
Users
monthly, 6 months
Latest, 16 Oct 2026:8 usersMove the mouse over the chart for any month
Ratings count
monthly, 6 months
Latest, 16 Oct 2026:3 ratingsMove the mouse over the chart for any month
The Chrome Web Store rounds user counts down to the leading digit, so the user line moves in steps. The ratings count is exact and is the better signal of real adoption.
About Kotoba - Learn and Save Vocab as you Read
Ever come across a word you don't know while reading online?
Instead of forgetting it or opening ten tabs to look it up later, simply highlight the word and save it instantly.
This extension lets you capture vocabulary directly from any webpage and build your own personal word bank while you browse.
Whether you're reading articles, studying, researching, or exploring the internet, you can collect new words naturally as you encounter them.
Learning vocabulary becomes effortless because it happens in the flow of real reading, not in a separate study session.
How it works:
1. Highlight any word on a webpage
2. Read its definition
3. Save it instantly to your vocabulary list at the press of a button
4. Review and learn the words you've collected
That's it. No interruptions, no complicated setup.
Why people love it
✅ Learn vocabulary while browsing the web
✅ Capture words in one click
✅ Build your own personal vocabulary list
✅ Perfect for curious readers
✅ Simple, fast, and distraction-free
Instead of trying to memorise word lists, learn vocabulary from the real content you read every day.
Highlight. Save. Learn.
Growth
Window
Users
Change
Ratings
Rating
7 days
−2
−20.0%
0
0.00
30 days
+1
+14.3%
0
0.00
6 months
+5
+166.7%
0
0.00
Chrome Web Store search rankings
Where Kotoba - Learn and Save Vocab as you Read appears when people search the store, with the 30 day change