Time Tools

Free Online Time Tools

Useful time utilities that run directly in your browser. No sign-up required, no data sent to any server, 100% private.

Online Stopwatch

A precise stopwatch with lap times. Start, stop and reset directly in your browser. No app needed.

Set a countdown timer for any duration. Get an alert when time is up. Works in any browser tab.

Calculate your exact age in years, months and days from your date of birth. Instant result.

Calculate the number of days, weeks or months between any two dates. Useful for deadlines and planning.

See the current time in cities around the world. Compare time zones at a glance.

No data is ever sent to any server. All calculations happen locally in your browser.

Open the tool and use it immediately. No account, no email, no limits.

These tools run in any modern browser on desktop, tablet or mobile — no app to install.

All time tools are free to use with no hidden costs and no ads.

Are these time tools free?: Yes, completely free. No sign-up, no subscription and no hidden costs.
Do these tools work offline?: Once the page is loaded, most tools work without an internet connection. The world clock requires a connection to show accurate times.
Can I use these tools on mobile?: Yes. All tools work in any modern mobile browser — no app to install.
Is any data sent to a server?: No. All calculations happen locally in your browser. Nothing is sent to our servers.
Which browsers are supported?: All modern browsers are supported, including Chrome, Firefox, Safari and Edge on desktop and mobile.