Stopwatch & Lap Timer
High-precision browser stopwatch with lap splits.
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About Stopwatch & Lap Timer
A millisecond-precision stopwatch with start/stop/reset and a lap-split history.
🔒 This tool runs entirely in your browser. Nothing is uploaded or stored.
Frequently Asked Questions about Stopwatch & Lap Timer
How do I use the Stopwatch & Lap Timer?
Open the Stopwatch & Lap Timer and use the controls in the workspace below: high-precision browser stopwatch with lap splits. Results appear instantly in your browser, with nothing to install, sign up for, or pay for.
Is the Stopwatch & Lap Timer free?
Yes. The Stopwatch & Lap Timer is completely free, like every tool in the PrimeFreeTools library. There are no accounts, subscriptions, or usage limits.
Does the Stopwatch & Lap Timer store or share my data?
No. The Stopwatch & Lap Timer runs with JavaScript in your browser, so what you enter never leaves your device and nothing is stored on a server.
What can I use the Stopwatch & Lap Timer for?
A millisecond-precision stopwatch with start/stop/reset and a lap-split history. You will find it grouped under Calculators together with 83 other free tools on the PrimeFreeTools homepage.