Online Stopwatch
Start, stop, and lap — right in your browser.
A precise online stopwatch with a big, easy-to-read display and lap times — perfect for workouts, cooking, study sessions, and timing anything. Runs entirely in your browser.
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Runs entirely in your browser — nothing is uploaded.
How to use the online stopwatch
- 1Press Start to begin timing.
- 2Tap Lap to record split times.
- 3Pause or Reset whenever you're done.
Frequently asked questions
Does it keep timing if I switch tabs?
It keeps counting based on the real clock, so the elapsed time stays accurate when you come back.
Is there a sound?
The stopwatch is silent; for an alert when time runs out, use the Countdown Timer.