Alarm Clock
Set an in-browser alarm clock.
11:37:24
Sunday, July 26, 2026
About this tool
A simple, reliable in-browser alarm clock. Set a target time with a custom label and sound, and get an on-screen alert plus an audible tone when the time arrives — no installs, no sign-up.
Key Features
- Live digital clock
- Custom alarm label
- 3 built-in sounds (Web Audio)
- Browser notification support
- Works fully offline
How to Use
- Pick your alarm time.
- Add an optional label.
- Choose a sound and click Set alarm.
- Keep the tab open — you'll hear the alarm when it triggers.
Benefits
- Quick reminders
- Study/work timers
- No app needed
- Privacy-friendly
Frequently Asked Questions
No. Browser tabs must stay open for the timer to run. Keep this page open in the background for the alarm to trigger.
Browsers block audio until you interact with the page. Clicking 'Set alarm' unlocks audio, so the sound will play when the alarm fires.