Time Tools

A precise stopwatch with laps and a countdown timer with an alarm. Both keep exact time, even when the tab is in the background.

Stopwatch Accurate to 1/100 of a second, with laps, splits and keyboard shortcuts. Countdown Timer Set minutes or hours, or tap a preset. An alarm sounds when time is up. Sleep Calculator Find the best bedtime or wake-up time, and count the hours you slept.

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