Online Stopwatch

Free online stopwatch with millisecond precision, lap timing, and split time recording. Clean digital display with start, stop, reset, and lap functionality.

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How to Use the Online Stopwatch

  1. Click Start to begin timing.
  2. Click Lap to record a split time while the stopwatch continues.
  3. Click Stop to pause the timer.
  4. Click Start again to resume from where you stopped.
  5. Click Reset to clear all time and lap records.

Features

  • Millisecond precision (10ms intervals)
  • Lap / split time recording
  • Fastest and slowest lap highlighting
  • Large, easy-to-read digital display
  • Pause and resume support
  • Keyboard accessible
  • 100% client-side, no server required