Online Stopwatch
Free online stopwatch with lap timing — accurate to hundredths, stays running while the tab stays open.
00:00.00
FAQ
Does it keep running in background?
Yes, as long as the tab stays open it keeps accurate time even when switched away.
Can I record laps?
Yes, unlimited laps with per-lap and total times.
Is there an alarm?
The countdown companion has an audible alert when time is up.