Online stopwatch
Press start and time with hundredth-of-a-second precision. Save laps and go full screen.
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How to use it
- Press “Start” (or the space bar).
- Press “Lap” to save a split time.
- Press “Pause” and “Reset” when you're done.
FAQ
Does it keep running if I switch tabs?
Yes. It uses the system clock, so it never drifts even when the tab is in the background.
Are there keyboard shortcuts?
Space to start or pause, L for lap and R to reset.