Countdown Timer & Stopwatch
A no-fuss timer and stopwatch for studying, cooking, workouts and events. Everything runs locally in your browser.
New to this? Read the Timer & Stopwatch guide →
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How to use the countdown timer
- Set a duration in hours, minutes and seconds.
- Press start. You can pause and resume, or reset to the original time.
- The timer keeps running in the browser tab and alerts you when it reaches zero.
It runs entirely on your device, with no sign-up and nothing installed.
Handy for
- Cooking and baking — steeping tea, boiling eggs, resting dough.
- Workouts — intervals, rounds and rest periods.
- Focus sessions — a Pomodoro-style 25 minutes of work followed by a short break.
- Time-boxing — keeping meetings, presentations or chores to a limit.
Tips
Keep the tab open so the timer can alert you, and allow notifications or sound if your browser asks. For counting down to a specific calendar date rather than a duration, the age & countdown calculator shows the days remaining.
Where you'd use this
Timeboxing work, and any activity where the timing matters more than the watching — cooking, exercise intervals, a timed exam practice.
For example: A focus block runs 25 minutes on, 5 off. The timer runs in a background tab and alerts at the end, so you stop checking the clock and the interval survives the tab losing focus.
Frequently asked questions
What does the countdown timer and stopwatch do?
Set a countdown to a duration or time, or run a stopwatch to measure elapsed time — useful for cooking, workouts, presentations and study sessions.
Will it alert me when the countdown ends?
Yes, the timer signals when it reaches zero. Keep the tab open so it can finish counting.
Is anything uploaded?
No. The timer runs entirely in your browser.