Online Alarm Clock
A browser-based alarm timer for reminders, study sessions, cooking and daily tasks, with an alternating alarm sound.
10:00
::
Ready — alternating alarm sound is enabled.
How to use it
Choose a quick preset or enter your own time, then press Start. The timer runs locally in your browser. It plays a dedicated alternating alarm alert when the timer ends and short warning beeps during the final seconds.
Why use SpinWheeli?
SpinWheeli keeps timers simple, fast and free. No account is required, and the timer works directly in a modern browser.
Ways to use the Alarm Clock
- Set a wake-up or reminder alarm for a nap or break.
- Remind yourself of a meeting or call.
- Use in a classroom to signal the end of an activity.
Tips for best results
- Keep the tab open and your device awake; a sleeping computer cannot ring.
- Raise the volume and press Test sound first.
Good to know
Will it ring if I close the tab?
No. A browser alarm needs the page open, so use your phone's alarm for early mornings.