KeyMastery

by sadawatagy@gmail.com · Tools

Manifest V3 Free

View in Chrome Web Store Data as of 21 Oct 2026

Practice typing speed and accuracy with real-time stats and interactive keyboard heatmap by AIO.com.ai

Users

+2 in 30 days

Rating

0.0 / 5

unchanged in 30 days

Ratings

0 in 30 days

Store rank

#204K

#171K among extensions

Version

1.0.0

updated 24 Nov 2025

Users

monthly, 11 months

Latest, 21 Oct 2026: 10 usersMove the mouse over the chart for any month

Ratings count

monthly, 11 months

Latest, 21 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 KeyMastery

Master your typing skills with KeyMastery by AIO.com.ai! Practice typing speed and accuracy with real-time WPM and accuracy tracking. Features an interactive keyboard heatmap showing per-key accuracy, lifetime statistics, and a beautiful dark theme. Perfect for practicing while watching videos or during breaks. All features work completely offline with no external connections. Track your progress over time and identify which keys need more practice. Start improving your productivity today with KeyMastery!