Online Alarm Clock
Turn this browser tab into a loud, reliable alarm clock. Pick a time or start a quick 10, 20 or 45 minute timer, choose from three sounds, and use the 5-minute snooze when it rings — completely free, no signup needed.
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ALARM IS RINGING!
How to use
- Pick a time or press a quick timer (10/20/45 min), then Set Alarm.
- Use Test Sound first to check that the volume is right.
- The alarm will ring on time — press Stop or Snooze.
Tips
- Press Test Sound before setting the alarm — browsers start muted sometimes.
- Keep the tab open and stop your device from sleeping, or the alarm will not ring.
- Quick timers are perfect for power naps, cooking and study breaks.
Important: keep this tab open and do not let your device sleep, or the alarm will not ring. Keep the volume high.
Frequently Asked Questions (FAQ)
What does the online alarm clock do?
It lets you pick an alarm time in your browser and rings loudly when the time comes, with a 5-minute snooze option and quick 10, 20 and 45 minute timers.
Do I need to keep the tab open?
Yes. Keep this tab open, do not let your device sleep and keep the volume high, otherwise the alarm will not ring.
Is the online alarm clock free?
Yes, it is completely free with no signup required.
Can I test the sound first?
Yes. Use the Test Sound button to check the volume before you set the alarm.