Online Alarm Clock
Set one or more alarms for any time of day, give them a label and pick a sound. Keep the tab open and your device awake, and it rings on time.
What “runs on your device” means for this tool
When you open this page, your browser downloads the timer itself, the same way any web page loads. From then on, all the timing happens inside your browser, on your own device, using your device's clock. Nothing you set is sent to this website's server or to anyone else.
What is saved: a running timer, stopwatch and your alarms are remembered in this browser only, so they carry on if you reload the page. Clearing your browsing data removes them.
Keep the tab open: a web page can only ring while it is open. Closing the tab or putting a phone to sleep may stop the sound.
Visit counting: this site counts visits with privacy-friendly analytics. No cookies, no ads, no tracking across other sites, and your IP address is not stored. It records which page you opened, your country, your device type and how long you stayed.
How to use the Online Alarm Clock
- Pick the alarm time.
- Add a label if you like, then press Set alarm.
- Choose a sound on the Timer tab and test it.
- Keep the tab open; press Stop or Snooze when it rings.
Questions
Will the alarm ring if my computer sleeps?
No web page can wake a sleeping computer. Keep it awake and the tab open.
Can I snooze?
Yes, Snooze 5 min appears when the alarm rings.
Can I set more than one alarm?
Yes, as many as you like. Each can be turned on or off.
Popular uses: Timer & Stopwatch · Online Stopwatch · Countdown Timer · Pomodoro Timer
Still stuck, or want a tool that isn't here? Ask on the Nebula Discord.