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Start Online Timer
Free online countdown

Online Timer

00:10:00
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Popular timers

1 MinuteStart countdown →3 MinutesStart countdown →5 MinutesStart countdown →10 MinutesStart countdown →15 MinutesStart countdown →20 MinutesStart countdown →25 MinutesStart countdown →30 MinutesStart countdown →45 MinutesStart countdown →1 HourStart countdown →

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Start a timer in seconds

Start Online Timer is a fast browser-based countdown timer for study sessions, cooking, workouts, meetings, breaks and everyday tasks. Choose a preset or enter your own duration. No account is required.

FastNo registration and no setup wizard.
SimpleStart, pause, resume and reset.
UsefulPreset pages for common timer lengths.

Timer guides

Frequently asked questions

Frequently asked questionsIs Start Online Timer free?Yes. The timer and public guides are free to use.Do I need an account?No. You can start a timer immediately.Does the timer keep working in another browser tab?Yes. It calculates remaining time from the target end time, so switching tabs should not stop the countdown.Will I hear an alarm?The site uses browser audio when available. Some browsers require a user interaction before sound can play.Can I pause and resume?Yes. Use Pause and then Start to resume.Does it work on phones?Yes. The layout is responsive and works on modern mobile…

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