Wake up! Your alarm is ringing!
Alarm for 07:30
Free Online Alarm Clock
AlarmO’Clock lets you set an alarm online for any time of day directly in your browser.
Choose the time you want, select an alarm sound, and press Set Alarm. Keep this page open and your alarm will ring at the time you selected.
No download, account or app is required. You can use this online alarm clock on desktop, tablet or mobile whenever you need a quick reminder.
How to Set an Alarm Online
- Select your alarm time using the time field above.
- Choose an alarm sound and use the Test button if you want to hear it first.
- Press Set Alarm to activate it.
- Keep this page open until the alarm time is reached.
Set a Quick Alarm
If you do not need a specific clock time, you can use one of the quick alarm options above.
Set an alarm for 5 minutes, 10 minutes, 30 minutes or 1 hour with a single click. These are useful for short reminders, breaks, naps, cooking and other everyday tasks.
Use an Online Alarm For
- Wake-up reminders
- Short naps
- Cooking and baking
- Study sessions
More Everyday Uses
- Work breaks
- Meetings and appointments
- Medication or routine reminders
- Exercise and stretching
Online Alarm Clock vs. Timer
An alarm clock is best when you want an alert at a specific time, such as 7:30 AM or 3:00 PM.
A timer is better when you want to count down a specific duration, such as 5 minutes or 30 minutes. For countdowns, use our Online Timer or try a ready-made 5 Minute Timer.
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Works on desktop, tablet, and mobile devices