DownloadKaro · Free online tool
Stopwatch
A precise online stopwatch with lap times — for races, cooking, study sessions and workouts. Runs entirely in your browser.
Use Stopwatch now — free ↗
How to use it
- Press Start when the activity begins.
- Press Lap to mark each round, split or checkpoint.
- Press Pause to hold the time, Reset to clear everything.
Why use this tool
- Hundredths-of-a-second precision with lap split times
- Works for races, cooking, study pomodoros and gym sets
- No app to install — runs in any browser tab
Common questions
Does it keep running if I switch tabs?
Yes, the timing is based on your device clock, so switching tabs does not lose time; the display catches up when you return.
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