Countdown Timer
Set and track countdown timers
This free online countdown timer runs in your browser and is part of our Utilities collection.
Countdown Timer
Set a countdown timer and get notified when time's up.
00:00:00
Features:
- Set custom timer duration
- Quick preset buttons for common durations
- Visual progress bar
- Browser notification when timer completes
- Audio alert (beep sound)
⚡
Instant In-Browser Execution
Runs locally in JavaScript without wait times or server delays.
🔒
100% Privacy & Security
Your inputs and files are never stored or logged on remote servers.
📱
Cross-Device Responsive
Fully optimized for mobile smartphones, tablets, and desktop displays.
🎉
100% Free Forever
No subscription fees, no signups, and no software installations.
How to Use the Online Countdown Timer
1
Set Hours, Minutes & Seconds
Enter your desired countdown duration or click quick preset buttons like 1m, 5m, 15m, 25m (Pomodoro), or 1 hour.
2
Configure Audio Alert
Select your preferred completion chime or alarm sound and test volume.
3
Start & Monitor Countdown
Click "Start" to begin the countdown; the remaining time is updated live on the page and in the browser tab title.
4
Receive Notification on Completion
When time expires, the tool triggers an audible alarm and optional desktop push notification.
Frequently Asked Questions
Common questions about using this free online countdown timer.
Can I use this timer for Pomodoro productivity cycles? ▾
Yes. Click the 25-minute preset for a standard work sprint, followed by the 5-minute preset for a short break.
Will the alarm sound if my screen is locked or browser is minimized? ▾
The web audio alarm plays as long as the browser process is running. For background alerts, ensure tab audio is unmuted.
Does the timer sync with the browser tab title? ▾
Yes. The active countdown time is displayed directly in the browser tab title so you can monitor progress while multitasking in other applications.
Can I add extra minutes while the timer is already running? ▾
Yes. You can quickly add 1 or 5 minutes to the active countdown without stopping or resetting the timer.
More Utilities
Explore related tools in the same category to solve adjacent tasks faster.