Stopwatch with Laps
Precise stopwatch with lap and split recording. Highlights best and worst laps automatically.
100% client-side · no upload
00:00.00
Lap —:——.——
Lap times
Best Worst
| Lap | Split | Total |
|---|
How to use
- Press "Start" to begin the stopwatch.
- Press "Lap" to record a split — the lap time and cumulative time are shown in the table.
- Press "Start" again to pause, or "Reset" to clear everything.
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常見問題
- Is the lap stopwatch free?
- Yes, completely free with no signup and no usage limits.
- Does my data leave my device?
- No. The stopwatch runs entirely in your browser. Nothing is sent to any server.
- Does it work on mobile?
- Yes. The tool is mobile-first and works on iPhone Safari and Android Chrome.