Online Stopwatch

How to use

Click Start (or press Space) to begin timing. Click Lap (or press L) to record a split time. Click Stop to pause, then Reset to clear. All lap times are listed below with split and total time.

Why use this tool

A precise, distraction-free stopwatch that works entirely in your browser — no install, no sign-up. Millisecond accuracy with keyboard shortcuts for hands-free operation.

FAQ

What keyboard shortcuts are available?

Space: Start/Stop, L: Lap, R: Reset. These work even when the page is not focused.

Does it work offline?

Yes. The stopwatch runs entirely in your browser with no server connection needed.

Will it stop if I switch tabs?

No. The timer continues running in the background when you switch tabs.