Will the alarm work if I close the page?
No. Keep the page open and the device awake. Browsers can pause timers when a device sleeps or closes the page.
Online Timer, Stopwatch & Alarm — No Signup Needed
Use a simple countdown timer, stopwatch, or daily alarm. It works directly in this browser, with no account and nothing to install.
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Private by design: this tool works on your device. Your information is not uploaded.
How to use this timer, stopwatch & alarm
- Choose the timer, stopwatch, or alarm section.
- Enter a duration or alarm time, then select Start or Set alarm.
- Keep the page open and the device awake so the alert can sound.
Common questions
Can I pause the stopwatch?
Yes. Pause it and select Start again to continue from the same elapsed time.
Do I need to install an app?
No. The timer, stopwatch, and alarm all run in your web browser.