15 second timer
Press Start and an alarm will ring in exactly 15 seconds. Good for a plank rep, a breath hold, or a speed round.
15 seconds is 15 seconds. The timer keeps exact time in a background tab and shows the time left in the tab title. Press Space to pause, R to reset, F for full screen.
Other timers
Seconds
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- 1 hr
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Set a custom timer · Stopwatch · Pomodoro timer · Classroom timer