Stopwatch

Precise stopwatch with start, stop, reset, and lap times. Millisecond accuracy. Keyboard support.

Millisecond PrecisionLap TimesKeyboard Support

00:00.00

Press Space to start/stop, L for lap

How It Works

Click Start or press Space to begin timing.

Record lap times or stop the timer.

Clear the timer and all laps to start fresh.

How precise is the stopwatch?

It uses requestAnimationFrame for smooth updates and tracks time in milliseconds.

Can I record lap times?

Yes. Click the Lap button while the stopwatch is running to record split times.

Does keyboard control work?

Press Space to start/stop and L to record a lap while running.

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