FREE TIME TOOL
Alarm Clock
Set an alarm time and get a browser sound alert when it arrives. Keep this tab open - no app needed.
Set Alarm
HOUR
MIN
Keep this tab open for the alarm to ring. Sound plays through your browser.
Why Use Our Alarm Clock?
Live Digital Clock
Shows your exact current time with hours, minutes, and seconds updating every second.
Browser Sound Alert
When the alarm fires, a repeating tone plays through your browser speakers using the Web Audio API - no app or plugin needed.
Simple Time Setting
Use the up/down arrows to set the hour and minute, then tap AM or PM. No confusing number fields to type in.
Alarm Confirmation
Once set, the page shows a confirmation banner so you always know your alarm is active and what time it is set for.
Works on Any Device
Fully responsive and touch-friendly. Use it on your phone, tablet, or desktop computer.
No Sign-up Required
No app to download and no account to create. Just open the page, set a time, and leave the tab open.
Frequently Asked Questions
How do I set an alarm?
Use the up and down arrows to choose your hour and minute, tap AM or PM, then click Set Alarm. Keep the tab open and the alarm will ring at the chosen time.
Why do I need to keep the tab open?
The alarm runs in your browser using JavaScript. If you close or refresh the tab, the alarm is cleared. Pinning the tab in your browser is a good way to keep it active.
What sound does the alarm make?
It plays a repeating sine-wave tone generated by the Web Audio API. No audio file is downloaded - the sound is created entirely in your browser.
Does it work on mobile?
Yes, the alarm clock works on mobile browsers. However, some mobile browsers may suspend tabs running in the background, so it is most reliable on desktop.
Can I change the alarm sound?
The current version uses a built-in tone. Custom sound options may be added in a future update.
Is this alarm clock free?
Yes. It is free to use with no account, no app download, and no sign-up required.
More Tools