Countdown Timer – Set a Countdown Online Free
Set a countdown timer for any duration. Audio alert when time is up. Free online countdown timer.
05:00
Frequently Asked Questions
Yes. The countdown continues when you switch tabs. The remaining time is shown in the browser tab title.
The page plays a short sound and can show a desktop notification if you grant permission.
No. The timer runs entirely in your browser.
100% Private
No Upload
Instant
What is Countdown Timer?
A countdown timer counts down from a set duration to zero and alerts you when time is up. Our Countdown Timer lets you set any duration in hours, minutes, and seconds, with an audio alert when the countdown reaches zero.
How to Use Countdown Timer
- 1Enter the countdown duration in hours, minutes, and seconds.
- 2Click Start to begin the countdown.
- 3The timer counts down and plays an alert when it reaches zero.
Key Features
- ✓Set any duration in hours, minutes, seconds
- ✓Audio alert when time is up
- ✓Pause and resume
- ✓Visual progress indicator
Benefits
- →Time cooking and baking
- →Set study or work session limits
- →Time presentations and speeches
Why Use Irreva for Countdown Timer?
Runs 100% in your browser — files never leave your device.
No account, no sign-up, no subscription — free forever.
Works on any device: desktop, tablet, or mobile.
No file size limits from our infrastructure.
Instant results — no server round-trip latency.
Open-source libraries and transparent processing.
Frequently Asked Questions
Does it play a sound when the timer ends?
Yes. An audio alert plays when the countdown reaches zero.
Can I pause and resume the timer?
Yes. Click Pause to pause and Resume to continue from where you left off.
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