Countdown Timer
Set a custom countdown timer with an alarm and a visual progress ring.
How it works
Set your desired countdown duration in hours, minutes, and seconds. Click Start and the timer counts down with a visual progress ring. An alarm fires when the countdown reaches zero, making it impossible to miss.
Why use this tool?
Used for cooking, exam timing, workout intervals, meeting time-boxes, and presentation rehearsals. A simple, reliable free online timer that works in any browser without any app download.
Frequently Asked Questions
Will the timer alert me when it finishes?
Yes. An audio alert plays when the countdown reaches zero. Make sure your device volume is on and browser audio is not blocked.
Can I use this as a study or exam timer?
Yes. Set your exam duration (e.g. 1 hour 30 minutes) and the timer counts down exactly. Used by students for timed practice tests and exam simulations.
Does the timer work if I switch tabs?
Yes. The timer runs in JavaScript and continues counting even when the tab is in the background. The alarm fires correctly when time is up.
Is this free?
Yes, completely free and works in any modern browser without installation.
Rate this tool:
Was this tool helpful?