Online Timer
Free online countdown timer with alarm. Set a 1 minute timer, 5 minute timer, 10 minute timer, or any custom duration. Includes a full stopwatch with lap tracking.
How to Use This Online Timer
Custom or Preset
Type any hours, minutes, and seconds manually, or click one of the quick preset buttons from 1 minute to 2 hours. The timer updates instantly as you type.
Alarm Sound
When the countdown reaches zero, the timer plays a clear alarm tone using the browser Web Audio API. No plug-ins or downloads required. Works on mobile too.
Stopwatch with Laps
Switch to Stopwatch mode to count up instead of down. Press Lap to record split times. All laps appear in reverse order for easy reading.
Keyboard Shortcuts
Press Space to start or pause, R to reset, and L to record a lap while in Stopwatch mode. Designed for hands-free use.
Popular Timer Presets
Perfect for quick tasks, brushing teeth, or short breaks.
Ideal for presentations, exercises, or timed speeches.
Great for making tea, brewing coffee, or quick stretches.
Use it for Pomodoro short breaks or timed warm-ups.
The most popular timer. Great for focus sessions and study blocks.
A quarter-hour timer for meetings, cooking, or rest.
Classic Pomodoro work session. Set it and focus.
Half-hour timer for workouts, cooking, or longer study blocks.
Frequently Asked Questions
How do I set a 10 minute timer?
Click the "10 min" preset button or type 10 in the Minutes field. Then press Start or hit the Space bar. The timer will count down from 10:00 and play an alarm when it reaches zero.
Does this timer have an alarm?
Yes. When the countdown finishes, the timer plays a triple-beep alarm tone using your browser Web Audio API. No plug-ins, no downloads, and no account needed. The alarm works on desktop and mobile.
Can I pause and resume the timer?
Yes. Press the Pause button or the Space bar to pause at any time. Press Resume (or Space again) to continue from exactly where you left off. Press Reset to go back to the start.
What is the difference between a timer and a stopwatch?
A timer counts down from a set duration to zero. A stopwatch counts up from zero and measures elapsed time. Both modes are available on this page. Switch between them using the tabs at the top of the tool.
Does this timer work on mobile?
Yes, fully. The timer is responsive and works on iPhone, Android, and all modern browsers. The alarm tone also plays on mobile as long as your device is not on silent mode.
Can I use keyboard shortcuts?
Yes. Press Space to start or pause, R to reset, and L to record a lap while in Stopwatch mode. These shortcuts make the timer easy to use without touching the mouse.