Stopwatch & Timer
Online stopwatch with laps and countdown timer with alarm.
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Space: start/pause · L: lap · R: reset
An accurate online stopwatch with laps, and a timer with sound alarm and notification — even in a background tab.
How to use it?
1
Pick a mode
Stopwatch to measure, timer to count down.
2
Space to start
Spacebar starts and pauses. “L” records a lap.
3
Let it run
Time shows in the tab title; the alarm rings in the background.
FAQ
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