Stopwatch

A precise online stopwatch with start, pause, resume, and reset functionality. Track elapsed time accurately with millisecond precision.

00 : 00 : 00 . 00

Why use this tool?

This stopwatch provides a simple, privacy-friendly way to track elapsed time for various activities without installing any software.

  • Accurate timing — Uses high-resolution timing for precise measurements down to milliseconds.
  • Full control — Start, pause, resume, and reset functionality for flexible time tracking.
  • Clean display — Large, easy-to-read time display showing hours, minutes, seconds, and milliseconds.
  • Privacy-focused — All calculations happen in your browser. No data is sent to any server.

How to use

  1. Click Start to begin the stopwatch.
  2. Click Pause to temporarily stop the timer without resetting.
  3. Click Resume (the Start button changes to Resume when paused) to continue from where you left off.
  4. Click Reset to clear the timer back to zero.

Frequently Asked Questions

Yes, the MushTools Stopwatch is completely free with no sign-up required. All timing happens in your browser.

The stopwatch uses high-resolution timing APIs for accurate elapsed time measurement down to milliseconds.

No. Everything runs client-side in your browser. Your timing data is not stored or sent to any server.