Online Countdown Timer - Free Custom Countdown Timer

A free online countdown timer for any task, reminder, challenge, activity, or event.

Countdown setup5:00

HoursMinutesSeconds

Countdown

5:00

Choose a preset or custom time, then start the countdown.

About this tool

A countdown timer is the flexible everyday timer for reminders, focused tasks, short challenges, and simple routines.

What it doesCountdown TimerSet a free online countdown timer with custom hours, minutes, and seconds plus quick presets for everyday tasks.

Helpful context

FAQ for countdown timer

Quick answers to common questions about using this tool.

Can I set a custom countdown?

Yes. Set hours, minutes, and seconds, or use one of the quick preset buttons.

Does the timer stay accurate while the tab is open?

Yes. It uses timestamps to calculate remaining time instead of relying only on interval ticks.

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