Free Stopwatch
Simple Stopwatch
Stopwatch Tool Guide
Stopwatch Guide
Track time with precision (up to milliseconds)
How to Use
Start: Click the Start button to begin timing.
Stop: Click Stop to pause the timer.
Resume: Click Start again to continue from where you stopped.
Reset: Click Reset to return to 00:00:00.000.
Features
Millisecond Precision: Tracks down to 1/1000th of a second.
Simple Controls: Intuitive Start/Stop/Reset buttons.
Clean Display: Easy-to-read time format (HH:MM:SS.MMM).
Responsive Design: Works on both desktop and mobile devices.
Keyboard Shortcuts
While not built-in, you can add these with JavaScript:
Spacebar: Start/Stop
R: Reset
Example Uses
Timing workouts or exercises
Measuring task completion time
Science experiments
Cooking intervals
Speed reading tests
FAQ
Q: Does the stopwatch keep running if I close the page?
A: No – this is a browser-based tool that resets when you refresh or close the tab.
Q: Can I record lap times?
A: Not in this version – consider adding a “Lap” button that saves current time to a list.
Q: Why does it show hours when I just started?
A: The display always shows all time units for consistency (00:00:00.000 at start).
Tips
✔ Bookmark it: Save for quick access to a reliable stopwatch
✔ Fullscreen mode: Use F11 (desktop) for cleaner timing
✔ Mobile use: Add to home screen as a web app