Online Alarm Clock

Set a reliable alarm directly in your web browser. Enjoy loud audio alerts, custom snooze settings, and pinpoint accuracy across all your devices.

00:00:00

Set a new alarm

:

Quick Alarms

Wake me up at 4:11 PM

Schedule a reliable alarm for 4:11 PM using ClockOClock. Our free web tool ensures you never miss a beat. Just select your target time, pick a sound, and keep the tab open. We will trigger a loud alert to wake you up exactly on schedule.