Countdown Timer
Set a countdown timer with alarm.
TL;DR: Countdown Timer is a free, browser-based tool that lets you set a countdown timer with alarm.
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About the Countdown Timer
Countdown Timer counts down from any set duration (hours, minutes, seconds) with visual progress circles, customizable audio alarm alerts, full-screen display, and repeat intervals.
How to Use the Countdown Timer
- Enter target countdown time (e.g. 25 minutes for Pomodoro, 45 minutes for cooking).
- Select alarm sound (Chime, Bell, Digital Beep).
- Click 'Start' to begin the countdown.
- The audio alert plays when the timer reaches zero.
Expert Tips for Countdown Timer
- Pomodoro Productivity: Set 25-minute focus intervals followed by 5-minute break timers to boost work productivity.
- Audio Alert Notification: Plays sound even if you are working in another browser tab.
- Full-Screen Presentation Mode: Expand to full-screen for classroom presentations, meetings, and workout intervals.
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100% Client-Side Privacy Guarantee
All processing runs locally inside your browser using JavaScript and HTML5 APIs. Your data, files, and inputs are never uploaded to any remote server. Complete privacy by design.
Frequently Asked Questions
- Yes — a beep plays when the timer reaches zero (make sure your device isn't muted).
- Yes — use the pause control to stop the countdown temporarily, then resume from exactly where you left off.
- Yes — the countdown continues running in the background even if you switch tabs, and the alert will still play when time runs out.
- Yes — enter the total duration in minutes and seconds, so a 90-minute timer, for example, can be entered as 90 minutes and 0 seconds.
- Yes — set it for a focused work interval (commonly 25 minutes), and use the reset and start controls to quickly cycle into your next work block or break.
- Yes — open the tool in separate browser tabs and each one will run its own independent countdown, which is useful for timing several things simultaneously.
Cite This Tool
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Embed This Tool
Add the live Countdown Timer tool to your own website with this snippet — it loads the real, working tool in an iframe, not a static screenshot.
<iframe src="https://nexlove.org/embed/countdown-timer.html" width="100%" height="600" style="border:1px solid #e2e8f0;border-radius:12px" title="Countdown Timer — NexLove.org" loading="lazy"></iframe>