30 Second Timer
Start a free 30 second timer online. Use it for quick drills, transitions, short breaks, or any task that needs a brief countdown.
Timer controls
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Need a different countdown? Keep the 30 second timer open or switch to a related timer below.
Timer guide
What is an online timer?
An online timer is a browser-based countdown that helps track a set amount of time without installing an app. Set a custom duration, start the countdown, pause when needed, and reset for the next task.
Common uses include focus sessions, cooking, study blocks, workouts, breaks, classroom activities, meetings, and quick reminders.
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FAQ
30 Second Timer questions
What is a 30 second timer useful for?
A 30 second timer is useful for focus sessions, cooking, workouts, study blocks, breaks, meetings, and other tasks that need a clear countdown.
How do I start the 30 second timer?
Open this page and press Start. The countdown is already set to 30 second timer for quick use.
Can I pause or reset the timer?
Yes. Use Pause to stop the countdown temporarily or Reset to return to the original duration.
Will the timer alert me when time is up?
Yes. Choose a sound and volume before starting. Browser audio may require one interaction on the page before sound can play.