00:05:00

Free Online Timer

A simple countdown timer that runs right in your browser. Set any duration in hours, minutes, and seconds — or use a quick preset — then start counting down. An alert sounds when time's up.

Features

Set any duration from seconds to 99 hours
One-tap presets for common durations
Pause and resume anytime
Visual + sound alert when the countdown finishes
Works on desktop and mobile browsers

Common timer durations

1 Minute Timer 5 Minute Timer 10 Minute Timer 15 Minute Timer 30 Minute Timer 1 Hour Timer

Looking for something else?

🕐 Online Clock ⏰ Online Alarm Clock 🔢 Online Stopwatch 🌍 All-in-One Clock + World Clock

Frequently asked questions

Can I pause the timer?▾

Yes, click "Pause" anytime and "Start" again to resume from where you left off.

What happens when the timer ends?▾

The display turns red and flashes, and a sound alert plays. Click "Reset" to set a new timer.

Does the timer keep running if I switch tabs?▾

Yes, as long as the tab stays open in your browser, the countdown keeps running in the background.