What Is the Online Alarm Clock?
The free online alarm clock is a web tool that helps you wake up on time and set task reminders, all from your browser. Just choose a time and click the button to set the alarm, then keep the browser tab open while you work in other tabs.
You can also use our online timer if you want the alarm to ring after a duration (not at a specific time), or see the current time with our online clock.
How to Set an Online Alarm
- Check that the digital clock on the page matches your local time.
- Set the alarm time in hours and minutes, or click a pre-set alarm time.
- Optionally, set an alarm sound and alarm name (like "Break time").
- Click Set an alarm to activate the alarm clock.
Once you set the alarm, the screen changes to a countdown timer. The countdown shows how much time remains and the time the alarm will ring. While the alarm is counting down, you can:
- Click the full-screen icon (top right) to display the countdown in full-screen mode. Hit Esc to exit.
- Click the bulb icon to open a completely dark full-screen display (useful for keeping your screen on without distraction). The alarm will sound but the screen will stay dark. Hit Esc to exit.
- Click Stop to cancel the alarm before it goes off.
When the countdown reaches zero and the alarm sounds:
- Click Stop to end the alarm.
- Click Snooze to delay it for 10 minutes.
To set multiple alarms, open another tab and repeat the steps above.
Alarm clock settings
Click the gear icon in the top right corner to change the settings:
- Enable / disable dark mode
- Enable / disable a repeat alarm sound (loop)
- Show / hide the alarm time (when the alarm will sound) and the progress bar
- Change the default snooze duration
- Adjust the alarm volume
Frequently Asked Questions
Is this a loud alarm clock?
Yes, this online alarm clock can be loud. You can adjust the volume using your computer's controls or through the alarm clock settings.
Do I need an internet connection?
You need an internet connection to load the web page and set the alarm. However, once the alarm is set, it will ring even without an internet connection.
Will the alarm work if I close the tab?
No. You'll need to keep your browser tab open, but it doesn't need to be active for the alarm to sound, so you can work freely in other tabs.
Will the alarm work when the computer is in sleep mode?
No, the alarm won't work if your computer goes to sleep or powers down or you close your laptop.
If you use a screensaver that switches the display off, test the alarm first to make sure it works, or keep your display on to be safe.