Alarm Clock
Set an alarm that beeps, flashes and toasts — snooze included.
See how it works
Watch a quick simulation of this tool in action — no file needed.
How to use Alarm Clock
Follow these steps — everything happens instantly in your browser.
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Step 1. Set the alarm time in 24-hour format using the time picker.
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Step 2. Click “Arm alarm” — the badge shows how many minutes remain.
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Step 3. When the alarm fires, a beep loops, the screen flashes and a toast appears.
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Step 4. Click “Snooze 5 min” for a short delay, or “Dismiss” to stop and disarm.
Why use this tool
Private by design
All processing happens locally in your browser. Open DevTools → Network and you'll see zero file uploads. Ever.
Instant
No upload wait, no queue, no server round-trip. Results appear the moment you drop a file.
Free & unlimited
No accounts, no watermarks, no daily caps. Use it as many times as you like, forever.
Works everywhere
Desktop, tablet or phone — every tool is responsive and installable as a PWA for offline use.
Frequently asked questions
Everything you might want to know about alarm clock.
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