stopwatch
Free online stopwatch with lap times — works in any browser, no sign-up.
00:00.00
Press Start, then Lap to record lap times.
How to use the stopwatch
Press Start to begin timing. Press Lap to record a split time without stopping. Press Stop to pause, then Start again to resume. Press Reset to clear everything.
Keyboard shortcuts
Space — Start / Stop
L — Record lap
R — Reset
FAQ
How accurate is the stopwatch?
It displays to 1/100th of a second (centiseconds). Browser-based timers are accurate to within a few milliseconds for most uses.
Will it keep running if I switch tabs?
Yes — the timer continues running in the background even if you switch to another tab.
How many laps can I record?
Unlimited. The fastest lap shows in green and the slowest in red.
Is my data saved?
No — everything runs in your browser. Nothing is uploaded or stored.