Free Tool

Countdown Timer

Set a countdown timer with hours, minutes, and seconds. Get an alarm when time is up. Quick presets for common durations.

00:05:00Ready

Set Duration

0
5
0

Want this on autopilot?

Set it once — Aria reminds you as your deadline approaches.

Try Free on WhatsAppDownload iOS App

Frequently Asked Questions

How do I use the countdown timer?+
Set hours, minutes, and seconds using the input fields or quick presets, then press play. An alarm will sound when the timer reaches zero.
Can I use preset durations?+
Yes. Quick preset buttons are available for 1, 5, 10, 15, 25, 30, 45 minutes and 1 hour. Click any preset to set the timer instantly.
Does the timer work in the background?+
The timer runs as long as the browser tab is open. For reliable reminders even when your phone is locked, try Hello Aria on WhatsApp.
Is this free?+
This countdown timer is completely free with no sign-up required. For automated deadline reminders, try Hello Aria with a free 14-day trial.
Can I mute the alarm?+
Yes. Click the sound icon to toggle the alarm sound on or off before the timer ends.

Explore More Tools

Pomodoro TimerExam CountdownEvent CountdownBreak ReminderDaily PlannerBirthday Reminder
Try Now