The visible timer uses an assertive live region so assistive technology can detect completion.
countdown timer
Start a clean countdown timer.
Set minutes, run a smooth countdown, capture marks, pause when needed, and hear a short cue at zero.
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The audible cue is generated locally by the browser only when the countdown reaches zero.
How to use the Countdown Timer
- 1
Enter the countdown length in minutes.
- 2
Start the timer.
- 3
Pause, mark laps, or wait for the completion cue.
Frequently asked questions
Can I pause the countdown timer?
Yes. Use pause to stop the countdown at its current remaining time.
Does the timer make a sound at zero?
The browser plays a short local tone when the countdown reaches zero, if audio is available.
Can I use decimal minutes?
Yes. The minutes field supports decimal values such as 0.5 for thirty seconds.
Are countdown laps saved?
Marks remain visible during the current session and the latest inputs can restore on reload.
Does the timer require a server?
No. The countdown runs entirely in your browser.
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