15 Minute Timer – Fifteen Minute Online Timer Free

Yes, our online clock is completely free to use. You can access all features including the digital clock, timer, alarm, and stopwatch without any cost, registration, or hidden fees. We believe everyone should have access to reliable time management tools.

Yes, our online clock is fully responsive and works perfectly on mobile devices, tablets, and desktop computers. The interface adapts to your screen size for optimal usability. Touch controls are optimized for mobile use, and settings panels are designed for easy access on smaller screens.

No installation required! Our online clock runs directly in your web browser. Simply visit our website and start using the clock, timer, alarm, and stopwatch features immediately. This makes it perfect for use on shared computers, work environments, or any device with internet access.

Yes, you can use our clock in fullscreen mode for a distraction-free experience. Simply click the fullscreen button to expand the clock to fill your entire screen. When in fullscreen mode, our clock automatically prevents your computer from going to sleep or activating the screensaver, ensuring the time display remains visible at all times. This is perfect for presentations, focus sessions, meditation timers, or when you need a large time display. The wake lock feature works on modern browsers that support the Screen Wake Lock API.

While this page shows a preset timer duration, you can easily customize the timing by visiting our main timer page where you can set any duration from 1 second to 99 hours, or choose specific target dates and times.

Choose from 27 different notification sounds including morning clock alarms, classic and digital sounds, emergency alerts, gentle ringtones, and nature sounds. You can preview each sound before starting your timer.

Yes, the timer continues running accurately in the background even when you switch to other browser tabs or applications. You'll still receive audio notifications when the timer completes.

Absolutely! Click the fullscreen button for a distraction-free timer experience. Fullscreen mode also prevents your device from going to sleep, ensuring the timer stays visible and functional.

Many of our preset durations are based on proven productivity techniques. For example, 25-minute timers work great for Pomodoro technique, while 5-minute timers are perfect for short breaks and quick tasks.

When the timer completes, you can easily restart it with the same duration by clicking the start button again. This makes it perfect for repeated sessions like workout intervals or study periods.

When the timer completes, you'll receive both visual and audio notifications. The timer will play your selected sound, display a completion message, and you can choose to restart or close the notification.

Yes! Each timer duration has its own unique URL that you can share with others. This is perfect for coordinating timed activities, study sessions, or workout routines with friends or colleagues.