Mastery — Vocabulary Capture

by valentin.seehausen · Education

Manifest V3 Free

View in Chrome Web Store Data as of 15 Oct 2026

Double-click any word to translate, learn, and master it.

Users

0 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#298K

#243K among extensions

Version

0.1.0

updated 11 Apr 2026

Users

monthly, 6 months

Latest, 15 Oct 2026: 3 usersMove the mouse over the chart for any month

Ratings count

monthly, 6 months

Latest, 15 Oct 2026: 0 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 Mastery — Vocabulary Capture

Your vocabulary on autopilot. Double-click any word to translate it. Mastery remembers it and makes sure you never forget. You already browse in English. Now your browsing builds your vocabulary. Double-click any word to instantly translate it. Mastery captures every word you look up and feeds it into a spaced repetition system that trains you in 3 minutes a day. Stop looking up the same words. Stop forgetting what you translated yesterday. Works with the Mastery iOS and Android app. Free for beta testers. - Instant translation on any webpage - Every lookup saved automatically - Smart practice via the Mastery app - No manual flashcard creation - Works on any website