Online Timer

A simple countdown timer with an alarm. Set hours, minutes and seconds (or tap a preset), press start, and it'll alert you when time's up. The remaining time shows in the tab title too. Runs in your browser; no signup.

05:00

FAQ

How do I set a timer?

Enter hours, minutes and seconds (or tap a preset) and press Start. It counts down and alarms at zero; pause and resume any time.

Will it alarm if I switch tabs?

Yes — it keeps running in the background and alarms at zero while the tab is open. The remaining time also shows in the tab title.

Does it need an account or app?

No — it runs entirely in your browser, no signup or install, nothing uploaded.

Why use an online timer?

Cooking, workouts, study sprints, presentations, tea, parking — any quick, reliable countdown.

More tools: Pomodoro focus timer, online stopwatch, countdown to a date, and the full tools list.