Free OnlineUtility Tools
Countdown Timer
Set a countdown timer for any duration. Free online timer with audio alarm and full-screen mode.
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Key Features — Countdown Timer
Set hours, minutes, seconds
Quick presets (5, 10, 15, 30 min)
Audio alarm
Full-screen display
Pause and resume
Why Use This Tool — Countdown Timer
Free Online Countdown timerOnline timer — for EveryoneFast & Easy Set timerCountdown clock — 100% FreeFree Online Timer online
Privacy First
All processing happens in your browser. Your data never leaves your device.
Lightning Fast
Get instant results with zero wait time. No server delays, no loading screens.
Works Everywhere
Use on any device — desktop, tablet, or phone. No downloads or plugins needed.
Frequently Asked Questions — Countdown Timer
Maximum duration?
Up to 99 hours, 59 minutes, and 59 seconds.
Works in background?
Yes. Timer continues counting and alarm plays regardless of active tab.
Full-screen mode?
Yes. Great for presentations and classroom use.