Tip: press Space to start / pause. Screen stays awake while running.
Free loud alarm timer online
A countdown built around the loudest, most persistent alarm sound available in the browser. Defaults to a resonant gong that loops until you dismiss it — ideal for heavy sleepers, busy kitchens, workshops, or anywhere a subtle chime would go unnoticed.
Frequently asked questions
How loud is the alarm?
The default sound is a resonant gong that plays at full browser volume. Turn your device volume up for maximum loudness.
Does the alarm loop until I dismiss it?
Yes. The alarm keeps looping until you press Dismiss — perfect for heavy sleepers or noisy kitchens.
Which alarm sound is loudest?
The gong and bell tones carry the most volume; beep is sharper but shorter. Try each with the selector below the controls.
Will it wake me up?
Louder devices and speakers help, but browsers only play as loud as your system allows. For a life-critical wake-up, still set a phone alarm as backup.
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