Online Stopwatch — Precise Lap Timing
Time anything with laps and a precise stopwatch
How to Use Stopwatch
Time anything with laps and a precise stopwatch No signup, and nothing gets uploaded for most use.
- 1
Click Start to begin timing.
- 2
Use Lap to record split times while the clock keeps running.
- 3
Click Stop to freeze the timer, then reset to start over.
- 4
Times are tracked in your browser and survive a page refresh via history.
Why you might like it
- Nothing to upload — the work happens on your device.
- Free with no signup, no watermarks, and no daily limits.
- Works in any modern browser on any device — nothing to install.
- Usually done in a few seconds, so it doesn't get in your way.
Frequently Asked Questions
How does the online stopwatch with laps work?▾
Click Start to begin timing with millisecond precision. Click Lap to record split times, and Export to save your lap table.
Does the stopwatch continue if I switch tabs?▾
Yes. It uses performance timestamps so timing remains accurate even when backgrounded.
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