Best Free Stopwatch
A precise browser stopwatch with lap times — free, no signup, accurate to a hundredth of a second.
100% free
No signup
No watermark
Files processed in memory, never stored
✨
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How it works
- Start the clock. Click Start; the display counts up in minutes, seconds and hundredths.
- Record laps. Tap Lap while running to log each split and the running total.
- Stop or reset. Stop to hold the time, Reset to clear it and the lap list. All in your browser.
About this tool
A no-fuss stopwatch that starts the instant you click — timed with your browser's high-resolution clock (performance.now), so it stays accurate to a hundredth of a second even while the page sits open. Hit Start to run, Stop to hold, and Lap to capture splits without stopping the clock; each lap shows both the split since the last one and the total elapsed time. Everything runs locally on your device — nothing is uploaded.
What people use it for
- Time a workout, run or interval set
- Capture lap splits without stopping the clock
- Time a cooking step, presentation or speech
- Quick timing for experiments or chores
Frequently asked questions
It uses your browser’s high-resolution performance.now() clock, so it is accurate to about a hundredth of a second — far steadier than a clock built on the wall-clock time.
It records a split without stopping the timer. Each lap shows both the time since your last lap and the total elapsed time, newest at the top.
Yes. The elapsed time is measured from real timestamps, so even if the browser throttles the display in a background tab, the time stays correct when you return.
No. The stopwatch runs entirely in your browser, so nothing about your timing is uploaded or stored anywhere.
A stopwatch is deliberately simple — Start, Stop, Lap and Reset are all it needs, so there is nothing hidden behind an advanced toggle.
Completely free, no account, no watermark, no limits — it is a client-side tool with nothing to meter.
Yes. It runs in your browser, so Stopwatch works on phones and tablets as well as desktop — there is no app to install.
Usually just a few seconds for a typical file — Stopwatch starts working the moment you give it your input.
Casual use is unlimited, under a generous fair-use cap that keeps it fast for everyone.
All modern browsers — Chrome, Safari, Firefox and Edge. Stopwatch needs nothing installed beyond the browser you already use.