⏱️Online Stopwatch
Precise stopwatch with lap times.
About the Online Stopwatch
A free online stopwatch with start, pause, lap and reset — precise to a hundredth of a second. Perfect for sports, study and timing anything. Works in your browser.
How to use the Online Stopwatch
- 1Set your time or options in the Online Stopwatch above.
- 2Press start to begin — keep the tab open.
- 3You'll get a sound alert when it finishes.
- 4Runs entirely in your browser.
Why use this tool?
🔒
Private by design
The Online Stopwatch runs entirely in your browser — nothing you enter is uploaded to a server.
🆓
Free, no signup
Use it as much as you like. There's no account, no paywall and no watermark.
⚡
Fast & instant
Results appear the moment you type or click — no waiting, no page reloads.
🌍
Works anywhere
Any device or browser, even offline once the page has loaded.
Frequently asked questions
Can I record lap times?＋
Yes. Press Lap while running to record split times, and Reset to clear everything.