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Online Stopwatch — Precise Lap Timing

Time anything with laps and a precise stopwatch

00:00:00.00

Features

  • Lap recording
  • Precise timing
  • No upload
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This tool runs on your device — your files and inputs never go anywhere.

How to Use Stopwatch

Time anything with laps and a precise stopwatch No signup, and nothing gets uploaded for most use.

  1. 1

    Click Start to begin timing.

  2. 2

    Use Lap to record split times while the clock keeps running.

  3. 3

    Click Stop to freeze the timer, then reset to start over.

  4. 4

    Times are tracked in your browser and survive a page refresh via history.

Why you might like it

  • Nothing to upload — the work happens on your device.
  • Free with no signup, no watermarks, and no daily limits.
  • Works in any modern browser on any device — nothing to install.
  • Usually done in a few seconds, so it doesn't get in your way.
Try Stopwatch

Frequently Asked Questions

How does the online stopwatch with laps work?

Click Start to begin timing with millisecond precision. Click Lap to record split times, and Export to save your lap table.

Does the stopwatch continue if I switch tabs?

Yes. It uses performance timestamps so timing remains accurate even when backgrounded.