15 Minute Countdown Timer

Click Start to run a 15 Minute Countdown Timer. It’s pre-set to 15:00, plays a clear alert at zero, and works smoothly on phone or desktop.

How it works

• Start to begin.

• Stop to pause, then Start to resume.

• Reset returns to 15:00.

• Edit lets you pick a sound, change volume, loop the alarm, or switch to a target date & time.

Shortcuts

Space = start/pause • E = edit • S = stop • R = reset

The timer keeps counting if you switch tabs (keep this tab open). On phones, try not to lock the screen while it’s running.

Great for

15-minute focus blocks, quick meetings, class activities, speaking practice, coffee or tea brewing, stretch breaks, workouts, and short study sprints.