Stopwatch ★ Add to favorites 00:00:00:00 Start Lap Stop Reset Resume Lap Time Total localStorage The stopwatch saves its state in your browser via localStorage. This means the data stays on this device and is not sent to a server. If you close the tab or the browser, the stopwatch will keep running, and when you open it again, it will show the current time. If you clear the site or browser data, the stopwatch will be reset. Data is also not saved in incognito mode. When you manually reset the stopwatch, the data is removed from localStorage. Description The stopwatch measures time in the format hours:minutes:seconds:hundredths. Start it, record laps, and track your progress. Each lap stores: lap number; lap time (difference from the previous one); total stopwatch time at the moment of recording.