Does the alarm keep ringing until I stop it?

Yes. When the countdown ends, a bell plays and repeats, the screen flashes, and the tab title flashes until you dismiss the alarm.

Is the stopwatch accurate?

Yes. It uses high-resolution performance timing rather than simple intervals, so lap times and totals stay precise.

Yes. Add up to three labelled timers to run side by side — great for cooking multiple dishes or juggling tasks.

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Free online countdown timer and stopwatch with fullscreen mode, lap times, and alarm sounds.

05:00

Run up to 3 named timers side by side — great for cooking or laundry.

Tip: keyboard shortcuts — Space start/pause, R reset, L lap, F fullscreen. The browser tab shows your live countdown.

Switch modes with the big tabs. Set a countdown or start a precise stopwatch.

Use quick presets, pause, reset, or add a minute. Space, R, L and F are keyboard shortcuts.

Tap Fullscreen for huge digits — perfect for gyms, classrooms, cooking, and presentations.

Boost focus with the Pomodoro Technique. 25-minute work sessions, automatic breaks, daily stats.

Distraction-free meditation timer with gentle bells and ambient sounds.

Calculate your exact age in years, months, days, hours — and count down to your next birthday.