Experimental
Reaction Time Tester
Privacy Verified
Measure your visual reflex speed in milliseconds.
Reaction Time Test
Click anywhere to start.
0 ms
Average
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Best
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Attempts
0
Wait for the box to turn green, then click as fast as you can.
Privacy & Security
Scores recorded locally.
Data: None
Client-side-Side
Active
v1.0
About This Tool
This tool runs entirely in your browser. No data is sent to any server, ensuring complete privacy. Simply use the interface above to get started — no registration or login required.
Disclaimer: This tool is provided "as is" without warranty of any kind. Results are for educational and utility purposes.