Online stopwatch
Start, pause, lap, reset. Accurate to hundredths of a second, right in this tab.
00:00.00
Runs on your device - nothing is uploaded.
HOW IT WORKS
1
Press Start
The timer uses your device clock, accurate to hundredths of a second.
2
Lap when you need
Each lap records the split and the total.
3
Pause or reset
Pause keeps the time; reset clears everything.
Questions
Does it keep running if I switch tabs?+
Yes - it reads your device clock, not frame counts, so background tabs stay accurate. It stops when the page is closed.
Is anything saved?+
No. Laps live only in this page until you reset or close it.