Stopwatch
// Simple stopwatch with lap times
00:00.00
#About Stopwatch
Free online stopwatch tool. Start, stop, reset, and record lap times with millisecond precision. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
#FAQ
How accurate is the stopwatch? ▾
The stopwatch uses high-resolution timing (performance.now) for sub-millisecond precision, displayed to the nearest hundredth of a second.
Can I record lap times? ▾
Yes, press the Lap button while the stopwatch is running to record split times.
</> Embed this tool ▾
Copy this code to embed the tool on your website. Adjust the height to fit your layout.
<iframe src="https://www.browserutils.dev/embed/stopwatch" width="100%" height="500" frameborder="0" title="Stopwatch"></iframe>