Reaction Time Test: How Fast Are You?
Click as soon as the screen turns green and see your reaction time in milliseconds.
Files never leave your deviceFree
How to use it
- Add your files.
- Edit on the preview.
- Download the result.
About Reaction Time Test
Wait for the red screen to turn green, then click. Clicking too early restarts the test. Average human reaction time to a visual signal is around 250 ms. Screen and mouse delay add a little.
FAQ
What is a good reaction time?
Around 200 to 250 ms is typical; under 200 ms is very quick.
Are my files uploaded to a server?
No. Everything runs in your browser; your files and text never leave your device.
Is it free? Do I need an account?
The tool is free and needs no registration.
Does it work on a phone?
Yes, in modern desktop and mobile browsers; large files depend on your device power.
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