Countdown Timer
Real-time countdown to any date showing days, hours, minutes, seconds.
Manage multiple timers. Browser notifications included.
About
A free tool that displays real-time countdowns to any date and time in days, hours, minutes, and seconds. Track birthdays, exam dates, travel, project deadlines, and more — all at once.
Enable browser notifications to get alerted when a timer reaches zero. All processing runs locally in your browser.
How to Use
Enter Event Name & Date
Type an event name and select the target date and time.
Add Timer
Click "Add Timer" to start the real-time countdown.
Add More Timers
Add multiple timers and remove them with the × button when done.
Glossary
- Countdown
- A display counting time remaining until a target event, typically in D:H:M:S format.
- UNIX Timestamp
- Milliseconds since January 1, 1970. Date.now() returns this value for time arithmetic.
- Browser Notification API
- A Web API enabling desktop/mobile notifications from the browser when the user grants permission.
- setInterval
- A JavaScript function that repeatedly executes code at a fixed interval — used to update the countdown each second.
FAQ
- Q.Will timers be saved if I close the page?
- Yes. Your timers are automatically saved in your browser's local storage, so they will continue running when you return.
- Q.How many timers can I add?
- There is no hard limit, but many timers may affect browser performance.
- Q.How do I receive notifications?
- Allow notifications when prompted on first timer creation. You will be notified when any timer hits zero.
- Q.Is my data sent to a server?
- No. All processing and storage run locally in your browser. No data is sent to external servers.
Use Cases
🎂 Birthdays & Anniversaries
Count down to the big day.
📝 Exams & Deadlines
See exactly how much time you have left.
✈️ Travel & Events
Build excitement with a countdown to your trip.
💼 Project Milestones
Track time to release dates and delivery deadlines.