Countdown Timer

Set a countdown to any duration or target date with sound alert.

Free · Runs in your browser · Last updated 2026-05-03

Mode Minutes : seconds

00:05:00

About this tool

Pick a duration (minutes:seconds) or target date and watch the countdown. Plays a chime and shows a browser notification when it reaches zero.

Privacy

All processing for Countdown Timer happens locally inside your browser using JavaScript. Your input is never uploaded to a server, logged, or shared with third parties.

Frequently asked questions

Is the Countdown Timer free to use?

Yes. Countdown Timer is completely free for both personal and commercial projects. There are no usage limits, no sign-up, and no premium tier.

Is my data safe when I use Countdown Timer?

All processing happens locally in your browser using JavaScript. Your input is never uploaded to our servers, logged, or shared with any third party.

Does Countdown Timer work offline?

Once the page has loaded, the tool runs entirely client-side. You can disconnect from the internet and it will keep working in the same browser tab.

Which browsers are supported?

Countdown Timer works in all modern browsers, including the latest versions of Chrome, Firefox, Safari, Edge, Brave, and Opera, on desktop and mobile.

Do I need to install anything?

No. Countdown Timer runs in any modern web browser with no installation, browser extension, or account required.

More developer tools

Compare Anything

Side-by-side diff for JSON, XML, contracts, specs, job offers — with decision matrix.

JSON Formatter

Format, beautify, minify and validate JSON instantly in your browser.

XML Formatter

Pretty-print, minify and validate XML documents online.

YAML Formatter

Validate and re-emit YAML in a clean normalized form.