"" Set Alarm — Online

The next time you need to boil an egg, run a writing sprint, keep a classroom on schedule, or simply remind yourself to stretch, don't reach for your phone. Open a browser tab. Set an alarm online. It’s the simplest, most accessible timer on the planet—and it’s always just one click away.

Do not close the browser tab or window. You can minimize it, or switch to other tabs, but the alarm tab must remain open. If you close the tab, the alarm is deleted.

Look for a checkbox that says "Keep this tab awake," "Prevent browser sleep," or "Request wake lock." Click it. Your browser may ask for permission—grant it. This is the single most important step for reliability.

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