Online Timer Calculator - Countdown Timer & Stopwatch

Free online timer with countdown timer, stopwatch, multiple timers, and alarm sounds. Perfect for cooking, workouts, study sessions, and productivity tracking.

00:00:00

Countdown Timer

Hours

Minutes

Seconds

00:00:00

Stopwatch

No timers added yet. Click "Add Timer" to create your first timer.

Sound Settings

Play alarm sound

Browser notifications

Timer Settings

Auto-repeat countdown

Keep screen awake