Alarm Clock – Your Free Browser-Based Wake-Up Call
Need a quick alarm clock without downloading an app? This browser-based alarm lets you set a wake-up time in seconds. When the time arrives, an audible alarm plays until you dismiss it or hit snooze for 5 more minutes.
This alarm clock works on any device with a modern web browser – desktop computers, laptops, tablets, and smartphones. No account required, no data stored.
How to Use the Online Alarm Clock
Step 1: Set the Time
Use the time picker above to select your desired alarm time in 24-hour format.
Step 2: Activate the Alarm
Click the green button to arm the alarm. The current time display will confirm your alarm is set.
Step 3: Keep the Tab Open
Leave this browser tab open. The alarm will sound when the set time is reached. You can use other tabs in the meantime.
Step 4: Dismiss or Snooze
When the alarm rings, click “Ausschalten” (Stop) to dismiss or “Snooze” for 5 more minutes.
Frequently Asked Questions
Will the alarm work if my computer goes to sleep?
No. The browser cannot play audio when the device is in sleep mode. Make sure your power settings prevent the computer from sleeping while the alarm is active.
Why is there no sound when the alarm triggers?
Modern browsers require user interaction before playing audio. Click the “Ton testen” (Test Sound) button first to enable audio playback on this page.
Can I set multiple alarms?
This page supports one alarm at a time. To set multiple alarms, open this page in separate browser tabs with different alarm times.
Is this alarm clock free?
Yes, completely free. No registration, no ads, no hidden costs. Just set your alarm and go.