Countdown Timer
Set a countdown with an audible alert when time is up.
05:00
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Clear instructions
Find steps, examples and limitations below.
Use online
Open the tool in a supported web browser.
Free to use
No sign-up required. Tool-specific limits may apply.
How to use the Countdown Timer
Count down from a selected duration with an optional finish sound.
- 1 Set Hours, Minutes and Seconds or choose a quick preset.
- 2 Enable Play a sound when finished if needed and click Start.
- 3 Use the timer control to pause as available, or Reset to restart the selected duration.
Example and practical tips
Choose the 25-minute preset for a focused work session.
Frequently asked questions
Can the sound be blocked?
Yes. Browser audio rules, mute settings and device sleep can prevent an audible alert. Test it before relying on it.
Will it wake my device or notify me after closing the page?
Do not rely on it to do so. Keep the page available; this is not an operating-system alarm service.
Practical guides
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How to Use Countdown Timer
Set an online countdown timer for any duration, with an optional alarm sound when time is up. Free timer for cooking, workouts, study and meetings.
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