Online Countdown Timer
A simple countdown timer with hour, minute and second inputs, start, pause and reset controls, quick presets and an alarm when time is up.
FreeOnline Tool
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How to Use
Set the duration in the hours, minutes and seconds inputs, then click "Start" to begin the countdown.
Controls: click "Start" to begin, click again to pause, and the button becomes "Resume" so you can pick up where you left off. Click "Reset" to return to the initial state.
Quick presets: the buttons below set common durations in one click (1 minute, 5 minutes, 10 minutes, 25 minutes and 1 hour).
When the countdown reaches zero the page shows a "Time's up!" message and plays an alert sound.
Features
- Hour, minute and second input: set the duration precisely
- Start, pause and reset: a complete countdown control flow
- Quick presets: 1, 5, 10 and 25 minutes plus 1 hour in a single click
- End-of-time alert: a prominent message and an alarm sound when the timer reaches zero
- Large display: the remaining time is shown in oversized digits you can read at a glance
Use Cases
Focused work
Run a 25-minute Pomodoro session followed by a 5-minute break.
Cooking
Time steaming or boiling so nothing burns while you are busy elsewhere.
Workouts
Time HIIT intervals or rest periods between sets.
Public speaking
Keep a talk or meeting contribution within its allotted time.
FAQ
Does it ring when the countdown ends?
Yes. When the timer reaches zero the page displays a prominent "Time's up!" message and plays an alert sound.
Can I pause and then continue?
Yes. Click "Pause" to stop the countdown at any point, then click "Resume" to continue from exactly where it stopped.
What is the longest duration I can set?
Hours go up to 99, and minutes and seconds up to 59, so the maximum countdown is roughly 99 hours.
Can I change the time while the countdown is running?
Edits made while the timer is running have no effect. Click "Reset" first, then set the new duration and start again.