Reaction Time Test

Wait for the signal and tap as fast as you can.

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v1.2.460

Reaction Time Test

Measure quick reaction time

Reaction Time Test measures how quickly you respond after a visual signal appears. It is a simple browser timing game for casual checks, warmups, and quick challenges.

Do not click early. Wait for the signal, then react as fast as you can. Your result can vary with device latency, mouse or touch input, display refresh rate, and attention.

Use several attempts rather than judging one result. Fatigue, caffeine, distractions, and hardware can all change the number.

Quick note

This is not a medical or professional performance test.

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About

Super Fast Tool is a focused collection of browser tools for calculations, conversions, generation, and file utilities.

Files and calculations are processed locally in your browser whenever possible. Learn more on the Privacy Policy page.

Privacy Policy

Most tool inputs and supported file operations are handled in your browser. Contact form submissions are sent through Formspree, and external services may process limited technical information.

Read the full Privacy Policy for cookies, advertising, local storage, and third-party service details.

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