Online Countdown Timer

Run a countdown for a custom duration, with pause, resume, reset, and an optional completion sound.

00:05:00
remaining

Ready when you are.

Keep this tab open. Device sleep, background restrictions, or browser settings can delay display and sound. This tool is not a system alarm.

How to use online countdown timer

  1. Choose a duration
  2. Start the countdown and keep the tab open
  3. Pause, reset, or wait for the completion message

Worked example

5 minutes

A countdown from 05:00 to 00:00

How the result is calculated

A deadline is stored when you start; remaining time is computed from that deadline. Browser or device sleep can delay the display and sound. This is not a system alarm.

Inputs stay in your browser. You can use this tool without joining the waitlist or creating an account.

From a calculation to a daily glance

Keep that milestone in view.

For a persistent deadline on iPhone, create a countdown in the app and add its assigned Countdown 1 or 2 widget.

  1. 1Create or select your countdown in the app.
  2. 2Choose its widget assignment or a matching style.
  3. 3Add the corresponding Lock Screen widget.
Get early accessExplore widget designs

Web results do not automatically sync to the app. Setup is manual; calendar events appear through your enabled calendars.

Timer Countdown native iPhone preview
Countdown widget · example design from the app

Frequently asked questions

How does this online countdown timer work?
A deadline is stored when you start; remaining time is computed from that deadline. Browser or device sleep can delay the display and sound. This is not a system alarm.
How can I use the result with Monthly Calendar Widgets?
For a persistent deadline on iPhone, create a countdown in the app and add its assigned Countdown 1 or 2 widget.
Do I need an account to use this tool?
No. The tool works in your browser without an account. Your inputs are not sent to our servers. Downloaded files stay on your device.

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