Online Stopwatch
Measure elapsed time with pause, resume, reset and laps.
How to use this tool
- Enter values or select a file in the labelled controls.
- Select the action button and review the result.
- Copy the result or use its download control when available.
Uses elapsed browser time rather than counting interval callbacks. Keep the page open. Refreshing the page resets the stopwatch.
Processing takes place in this browser. Your entries are not sent to a conversion service.