Stopwatch & Countdown Timer
A simple online stopwatch and countdown timer. Time anything — study sessions, workouts or cooking — right in your browser with an alarm when the countdown ends.
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How to use
- Switch between Stopwatch and Timer.
- Start, pause and reset as needed.
- For the timer, set minutes/seconds and an alarm sounds at zero.
Frequently asked questions
Does the timer keep running if I switch tabs?
Yes — it keeps timing accurately even if the tab is in the background.
Is there a sound when the timer ends?
Yes — a short alarm tone plays when the countdown reaches zero.