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Online Alarm Clock

Online Alarm Clock

Online Alarm Clock is a convenient, browser-based tool that allows users to set alarms without needing a physical clock or mobile device. Whether you need a simple reminder for breaks or a fun custom alarm, this tool provides everything straight from your browser.


How It Works

  • Select Time Format: Choose between Military Time (24-hour) or Non-Military Time (12-hour). By default, it’s set to Military Time.
  • Set Alarm Time: Specify the hour, minute, and second for your alarm.
  • Set Action: Pick an alarm action—default is opening a website. Other options include playing sound effects or streaming from radio stations. Enter your custom URL or select a preset.
  • Click “Set Alarm”: Arm your alarm. Use “Reset” anytime to clear and start over.


Key Features

  • Dual Format Support: Military (24-hour) and Non-Military (12-hour) time.
  • Custom Alarm Actions: Open websites, play sounds, or stream radio.
  • Precise Timing: Set hours, minutes, and seconds down to the exact moment.
  • Minimal Interface: Simple Set Alarm and Reset buttons for quick use.
  • Browser-Based: No downloads or installations—runs in any modern browser.


Who It’s For

  • Desktop Users: Keep reminders handy without switching to your phone.
  • Work‑From‑Home Setups: Manage work breaks and focus sessions seamlessly.
  • Time Management Enthusiasts: Stay organized with lightweight alarms.
  • Fun Custom Alarms: Surprise yourself or others with custom links or sounds.


Getting Started

  1. Visit: https://onl.li/tools/online-alarm-clock-7
  2. Select your preferred time format (default: Military Time).
  3. Set your alarm time (hour, minute, second).
  4. Choose an action (open website, play sound, or stream radio) and enter a URL if needed.
  5. Click “Set Alarm” to activate. Use “Reset” to clear.


Try It Now

Ready to never miss a beat? Head over to the Online Alarm Clock and start setting alarms directly in your browser!

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