Countdown Timer
Free online countdown timer with preset durations. Set hours, minutes, seconds and start counting down.
Quick Presets
Frequently Asked Questions
Does this timer work in the background?+
Yes. The timer uses absolute timestamps so it remains accurate even if the browser tab is in the background. However, audio alerts may not play if the tab is backgrounded.
What is the Pomodoro technique?+
A time management method: work for 25 minutes, take a 5-minute break. After 4 cycles, take a 15-30 minute break. Use the 25m preset for Pomodoro work sessions.