Online Countdown Timer
Free countdown timer with alarm and notifications. Perfect for cooking, workouts, studying, and productivity.
Select a duration to create a new timer
Quick Start
Custom Time
Alarm Settings
Session Summary
Timer Groups
Statistics Dashboard
Popular Recipe Timers
Quick-start timers for common cooking tasks
Interval / Repeat Mode
Perfect for HIIT workouts, Pomodoro technique, or any interval training
Total Duration: 30m
5 rounds × (5m work + 1m rest)
Quick Presets:
No Active Timers
Create your first timer using the presets above!
How to Use the Countdown Timer
1. Choose Your Time
Click one of the quick presets (1 min, 5 min, etc.) or enter a custom duration.
2. Start the Timer
Press the Start button to begin your countdown. The progress ring shows time remaining.
3. Pause or Reset
Pause the timer at any time and resume later, or reset to start over.
4. Get Notified
When time's up, you'll hear an audio alarm and see a visual alert. You can customize the alarm sound and volume in the settings above.
Common Use Cases
Cooking
Time your recipes perfectly
Workouts
Interval training & exercises
Studying
Focus sessions & breaks
Presentations
Stay on schedule
Why Use an Online Timer?
Instant Access
No installation required. Works instantly on any device with a browser.
Smart Notifications
Browser notifications ensure you never miss an alert, even in other tabs.
Share & Sync
Share countdown links with others and keep everyone synchronized. Perfect for coordinating events across time zones - check out Timezone Toolbox for time zone conversions.
Persistent Timers
Your timers persist across page reloads and browser sessions.
Frequently Asked Questions
Can I run multiple timers at the same time?
Yes! CountdownPro supports running unlimited simultaneous timers. Perfect for multitasking or managing multiple cooking dishes.
Will my timers keep running if I close the browser?
Your timers are saved to your browser's local storage. When you reopen the page, they'll be restored to their current state.
How accurate are the countdown timers?
Our timers use high-precision JavaScript timing and are accurate to within a few milliseconds. Perfect for most everyday timing needs.
Can I use this timer offline?
Once the page loads, the timer functionality works without an internet connection. Your browser handles all the timing locally.
Is this timer free to use?
Yes! CountdownPro is completely free with no hidden costs, subscriptions, or premium features. All features are available to everyone.