Countdown Timer
Free online countdown timer with alarm sound. Set custom durations and get notified when time's up.
00:00:00
Hours
:
Minutes
:
Seconds
Quick Presets:
How to Use the Countdown Timer
Set your desired time using the hour, minute, and second inputs, or click a preset button.
Click Start to begin the countdown. The timer will count down to zero.
When time reaches zero, an alarm will play (if enabled) and the display will turn red.
Use Stop to pause, Reset to restart with the same time, or Clear to start fresh.
Perfect For:
🍳
Cooking and baking timers
🏋️
Workout intervals and rest periods
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Study sessions (Pomodoro technique)
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Coffee and tea brewing
🎮
Gaming time limits
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Power naps and breaks
Frequently Asked Questions
How does the countdown timer work?
Set your desired time using hours, minutes, and seconds inputs, then click Start. The timer counts down to zero and plays an alarm sound when finished. You can pause, resume, or reset at any time.
Can I customize the alarm sound?
Yes! The countdown timer plays an alarm sound when it reaches zero. You can also enable/disable the sound using the sound toggle. The alarm will continue until you stop it.
What are preset timers?
Preset timers are quick-access buttons for common durations like 1 minute, 5 minutes, 10 minutes, etc. Click any preset to instantly set the timer to that duration.
Can I pause and resume the timer?
Yes! Click the Stop button to pause the countdown. The timer will hold its current position, and you can resume by clicking Start again. The Reset button will clear the timer back to your original setting.
What happens when the timer reaches zero?
When the countdown reaches zero, the timer will flash red, play an alarm sound (if enabled), and display a completion message. Click Stop to silence the alarm.