Free 15-minute countdown timer with audio alert. Used for meetings, study breaks, cooking and exercise. Works in any browser instantly.
Long steep herbal infusions
One round of a 15-minute workout interval
Timed writing without editing or stopping
Team standup meetings capped at 15 minutes
Timed relaxation without losing track
The live timer above starts directly on this page — press START and the 15 minutes countdown begins immediately. An audio alarm fires when it reaches zero.
For the full experience with fullscreen mode and theme options, open GlowClock's timer tab, enter 15 minutes and press F11 to go fullscreen. The large glowing display is clearly visible across a room — ideal for classrooms, gyms and presentations.
Yes. Keep the GlowClock tab open and the alarm will fire even when you're in another tab. Make sure your device volume is on and the browser isn't suspended (this can happen on mobile when the screen locks).
Yes. Open glow-clock.com, set 15 minutes in the Timer tab and press F11. The countdown fills your entire screen in large, high-contrast text.
Yes. A clear audio alarm sounds when the 15 minutes countdown reaches zero. The alarm repeats until you dismiss it so you won't miss it.
Yes. Press Pause on the live timer above, or use the Pause button in the GlowClock app. Press Start again to resume from where it stopped.
Audio alarm · Fullscreen · No sign-up · Works on any device
Open Full Timer App