Stopwatch
The stopwatch uses high‑resolution timers to stay accurate even when tabs are in the background. Record laps, copy them to your clipboard, or download as a text file. Everything runs locally in your browser for speed and privacy.
Start/stop with lap recording, export laps, and reset — all offline in your browser.00:00.000
Minutes : Seconds : Milliseconds
| # | Lap | Total |
|---|
Frequently Asked Questions
- Is it accurate?
- It uses high‑resolution timestamps and
performance.now()where available. - Will it keep running if I switch tabs?
- Yes. The display is computed from timestamps, not frame counts.
- Are my lap times saved?
- Laps are kept in memory while the page is open. You can export them at any time.