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Measure your reflexes in milliseconds. A simple, scientifically-backed test of your neural speed.
Wait for the GREEN signal — then react as fast as possible
Test your reaction speed with our precision reaction time tester. Compare your score to the global average.
Click the target as fast as you can when the screen turns green. Your reaction time is measured in milliseconds.Wait for green
Click fast
See your score
Wait for green
Click the start box and wait for the background to turn green.
Click fast
Click as quickly as possible when you see green.
See your score
View your reaction time in milliseconds and compare to averages.
Below 200ms is excellent, 200-250ms is average, above 300ms may need practice.
Age, fatigue, caffeine, and practice all affect your reaction speed.
Based on your current activity
Convert text to aesthetic wide fullwidth letters. Free ａｅｓｔｈｅｔｉｃ text generator.
Transcribe speech to text in real-time using your microphone. Free STT tool online.
Vibrant skill-based jumping.
Measure your reflexes in milliseconds. A simple, scientifically-backed test of your neural speed.
Wait for the GREEN signal — then react as fast as possible
Test your reaction speed with our precision reaction time tester. Compare your score to the global average.
Click the target as fast as you can when the screen turns green. Your reaction time is measured in milliseconds.Wait for green
Click fast
See your score
Wait for green
Click the start box and wait for the background to turn green.
Click fast
Click as quickly as possible when you see green.
See your score
View your reaction time in milliseconds and compare to averages.
Below 200ms is excellent, 200-250ms is average, above 300ms may need practice.
Age, fatigue, caffeine, and practice all affect your reaction speed.
Based on your current activity
Convert text to aesthetic wide fullwidth letters. Free ａｅｓｔｈｅｔｉｃ text generator.
Transcribe speech to text in real-time using your microphone. Free STT tool online.
Vibrant skill-based jumping.