jarvisbox

Stopwatch

Precise stopwatch with lap recording and split times.

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How to use

  1. Click Start to begin timing. The display counts up in minutes, seconds, and hundredths.
  2. Click Lap to record a split time without stopping the clock. Each lap shows its duration and running total.
  3. Click Reset to clear all times, or Export CSV to download your lap data.

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Frequently Asked Questions

Is this stopwatch free?
Yes, completely free with no signup and no usage limits.
Does it send any data to a server?
No. Everything runs in your browser — your lap times never leave your device.
Does it work on mobile?
Yes. Works in Safari, Chrome, and Firefox on iOS and Android with large touch-friendly buttons.

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