Stopwatch & Timer

Stopwatch with laps and countdown timer. Runs in your browser.

00:00.00

How to use

Stopwatch: press Start, then Lap to record split times.

Timer: set hours, minutes and seconds (or pick a preset) and press Start. An alarm sounds when time is up, and the tab title shows the time left.

FAQ

Is my data sent anywhere?

No. This tool runs entirely in your browser. Nothing you type, paste or upload is sent to a server or stored anywhere.

Does it keep running in another tab?

Yes. Time is based on the clock, not on screen updates, so it stays accurate in the background.

How it works & privacy