Reaction time test

Click as soon as the box turns green and measure your reaction time in milliseconds - with average and best of your attempts.

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Free · No sign-up · Your files are processed on your device and never uploaded

How to use Reaction time test

  1. Open the page…
    1

    Paste or type

    Put your content in the box - or try the example.

  2. Click on green
    2

    Watch the result

    Pick the options you want - the defaults suit most files.

  3. TXTYour result
    3

    Download the result

    Ready in seconds. Your file never left your device.

Features

  • Millisecond timing.
  • Average and best.
  • Catches clicks that are too early.

Free and private

It runs entirely in your browser - nothing is recorded, uploaded or stored on a server.

Questions

What is a normal reaction time?

About 200-280 ms on a computer.

Is it free?

Yes - free and unlimited, with no sign-up and no watermark.

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