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Stopwatch (Up to 5)

Run multiple independent stopwatches with lap timing and CSV export. Share a multi-stopwatch layout via ?n=5.

Keyboard (focused card): Space Start/Pause · L Lap · R Reset

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.