Is Toolio really free?

Yes. Every tool on Toolio is free to use with no sign-up and no installation. The tools run inside your browser.

Are my files uploaded to a server?

No. Image and PDF tools process your files locally in your browser using JavaScript. Your files never leave your device.

Do I need to create an account?

No account is needed. Open a tool, use it, and download your result instantly.

Stopwatch & Online Timer — Free Online Stopwatch & Online Timer

A precise online stopwatch with lap times, plus a countdown timer with an alarm — for study, workouts, cooking and exam practice.

The Stopwatch & Online Timer is part of Toolio's Text & Web Tools collection — one of 64 free tools on the site. It is made for students, creators, office workers and anyone who needs a reliable stopwatch & online timer without installing software or creating an account. It works on phones, tablets and computers, right in the browser.

How to use the Stopwatch & Online Timer

Stopwatch: press Start, use Lap to record split times, Reset to clear.
Timer: set minutes and seconds, then Start — an alarm sounds when time is up.
Read your result instantly, then copy or download it.

Stopwatch & Online Timer — Frequently Asked Questions

Is this Stopwatch & Online Timer free?

Yes — completely free. No sign-up, no account, no installation and no usage fees. Open the page and use it as much as you like.

Do my files leave my device?

No. This tool runs entirely in your browser using JavaScript — your files and text are processed on your own device and are never uploaded to a server.

Does it work on mobile?

Yes. Toolio is built mobile-first, so the Stopwatch & Online Timer works in any modern phone browser — Android and iPhone — as well as on tablets and desktop computers, with nothing to install.