Starts automatically. Get an alarm sound when the countdown hits zero.
This free online 20 minute timer starts counting down the moment the page loads, with a visual progress ring and a clear digital display. When the countdown reaches zero, an alarm sound plays automatically so you don’t need to keep watching the screen. Use it for cooking, workouts, study breaks, presentations, or any task where you need a quick, reliable 20 minute countdown — no download, no account, and no ads.