timerhive.comOnline Alarm Clock
Set a browser alarm for any clock time. Choose a sound, arm the alarm, and snooze if you need five more minutes. Keep this tab open so the alarm can play.
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Set a wake-up time and arm the alarm
Need a countdown instead of a wake-up time? Use an online timer or a specific duration like the 1 hour 15 minute timer.
Frequently Asked Questions
Does the online alarm work if I close the tab?
No. Browser alarms need the tab open. For countdown-from-now alarms (e.g. set an alarm for 1 hour), use a timer page instead.
Can I snooze the alarm?
Yes. When it rings, tap Snooze 5m to postpone, or Dismiss to turn it off.