Stopwatch (Up to 5)
Run multiple independent stopwatches with lap timing and CSV export. Share a multi-stopwatch layout via ?n=5.
FAQ
How do I open with 5 stopwatches?
Visit
/time/stopwatch/?n=5 and share that link.Can I export lap times?
Yes — click Export to download a CSV (Lap, Split, Total).
Does it work offline?
The timer logic runs in your browser. No sign-in required.
Related tools
Need alarms instead? Try the Countdown Timer. For dates math, see Date Difference.