Online Alarm Clock

Set alarms online with custom sounds. Multiple alarm support, snooze function, and countdown display. Works in your browser—no app needed.

Set online alarms with custom labels and snooze support. Works in your browser with no app required. Keep this tab open for alarms to ring. All data stays in your browser.

07:49:06 PM
Sunday, February 15, 2026

Your Alarms (0 active)

No alarms set. Add one above!

Important Note

  • • Keep this browser tab open for alarms to work
  • • Make sure your device volume is on
  • • Alarms won't ring if your computer is asleep
  • • Snooze adds 5 minutes to the alarm

How to Use

  1. Set the time using the time picker
  2. Add an optional label for your alarm
  3. Click "Add Alarm" to create it
  4. Toggle alarms on/off with the switch
  5. When the alarm rings, dismiss or snooze

Frequently Asked Questions

Is this tool free?

Yes! All our tools are completely free. No registration, no hidden charges, no ads. Just open and use.

🔒 Is my data safe?

Absolutely. All calculations happen in your browser. We don't store, send, or track any of your data. Everything is processed locally on your device.

📱 Can I use this on mobile?

Yes! All our tools are fully responsive and work perfectly on smartphones, tablets, and desktops.

🌐 Do I need internet?

No! Once the page loads, you can use the tool completely offline. All calculations happen in your browser without any server connection.