Free Tool
Stopwatch
Precise stopwatch with lap tracking. Persists across reloads. Optional sound alert every X minutes.
00:00:00.00
Sound every
About the Stopwatch
The Stopwatch is a free online tool that lets you precise stopwatch with lap tracking and milliseconds. It runs entirely in your browser with no sign-up required, so you get instant results while your data stays on your device. It is built for developers, designers, and anyone who needs a fast, reliable stopwatch without installing software.
How to use the Stopwatch
- 1Open the Stopwatch and enter or paste your input.
- 2Adjust the available options to match what you need.
- 3View the result instantly as you work.
- 4Copy or download the output to use in your project.
Frequently asked questions
Is the Stopwatch free to use?
Yes. The Stopwatch is completely free with no account, sign-up, or installation required.
Is my data private when I use the Stopwatch?
This tool runs entirely in your browser. Your data is never uploaded to a server, which makes it safe to use with sensitive input.
Do I need to install anything?
No. The Stopwatch works in any modern web browser on desktop or mobile, with nothing to download.
Can I use the Stopwatch on mobile?
Yes. The tool is responsive and works on phones, tablets, and desktops.
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