Stopwatch
A clean online stopwatch with laps, millisecond precision, and keyboard shortcuts. Runs in your browser.
Stopwatch — A no-frills online stopwatch: start, stop, reset, and capture laps. Times are accurate to the millisecond and displayed in a large, easy-to-read format. Laps are recorded with both the lap time and the cumulative time so you can see splits.
All timing happens in your browser. No data is uploaded.
What is stopwatch?
A no-frills online stopwatch: start, stop, reset, and capture laps. Times are accurate to the millisecond and displayed in a large, easy-to-read format. Laps are recorded with both the lap time and the cumulative time so you can see splits.
Useful for timing sprints, workouts, study sessions, cooking, or anything else that benefits from a clear, accurate timer that does not need a separate app.
How to use it
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Start
Press Start (or Space) to begin timing.
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Lap or pause
Press Lap to record a split. Press Pause (or Space) to stop.
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Reset
When paused, press Reset to clear.
Examples
Sprint interval
Start the timer, run for 30 seconds, hit Lap, repeat.
Result: Lap 1: 00:30.12 · Lap 2: 01:00.34 · …
Frequently asked questions
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