Choose the time
Select today’s future time or a time tomorrow.
Event & Time
Online Alarm Clock
Set a browser alarm and test the sound before you rely on it.
Browser alarm
19:46
Alarm is not set
Keep this tab open and prevent your device from sleeping. Browser alarms cannot ring after the browser or device is closed.
Quick answer
How to use this free alarm clock
Choose an alarm time, test your sound and keep the browser tab and device awake until the alarm rings.
- Price
- Free
- Account
- No signup
- Privacy
- Browser-based
- Best for
- meeting reminders, study breaks, desk work
A straightforward alarm clock
Schedule a simple alarm at a specific time of day and verify the tone before relying on it. The page shows the exact time remaining while the alarm is active.
Add a label
Write the action you need to remember.
Keep the tab open
The browser must remain active enough to play the alert.
Common questions
Good to know
Will it ring if my computer is asleep?+
No. Browser alarms cannot reliably wake a sleeping or powered-off device.
Can I set an alarm for tomorrow?+
Yes. If the selected time has already passed today, the alarm is scheduled for the next day.