Stopwatch
Time anything with a simple stopwatch that records laps.
🔒 Everything runs in your browser. Nothing you choose or type is uploaded. How to verify
Drop files here or tap to choose
How to use it
- Select Start.
- Select Lap to record a split time.
- Select Stop, or Reset to start again.
Handy for
Workouts, cooking, presentations and experiments.
Good to know
Laps show the total elapsed time at the moment you press Lap.
Privacy: where the work happens
Everything you enter or choose is processed by JavaScript in your browser and never sent anywhere. Only the page code, and any library this tool needs, is downloaded from cdnjs or jsDelivr.
Questions
How accurate is it?
It uses the browser’s high-resolution clock and shows tenths of a second.
Does it run if I switch tabs?
Yes. The time is based on a clock, so it stays correct even if the display pauses.