Online Stopwatch

Professional online stopwatch with millisecond precision and lap tracking. Perfect for cooking timings, workout intervals, presentations, and productivity sessions. Works in your browser with keyboard shortcuts for quick control.

00:00:00.000
Hours : Minutes : Seconds . Milliseconds
Space Start/Pause L Lap R Reset F Fullscreen Esc Exit Fullscreen

How to Use the Stopwatch

  1. Start Timing: Click the "Start" button or press the Space key to begin timing.
  2. Record Laps: Click "Lap" or press L to record split times without stopping the timer.
  3. Pause/Resume: Click "Pause" or press Space to pause. Click "Start" or Space again to resume.
  4. Reset: Click "Reset" or press R to stop and clear the timer.
  5. Fullscreen Mode: Click "Fullscreen" or press F for a distraction-free view, perfect for presentations.
Pro Tips
  • Background Operation: The stopwatch continues running even if you switch tabs or minimize the browser
  • Accuracy: Millisecond precision ensures accurate timing for all your needs
  • Lap Comparison: The "Difference" column shows how each lap compares to your previous lap
  • Keyboard Shortcuts: Use keyboard controls for quick operation without reaching for the mouse
  • Tab Title Updates: The browser tab title shows the current time so you can monitor from other tabs

Perfect For

Cooking & Baking

Time multiple cooking stages, track rising times, and monitor recipe steps with precision.

Fitness & Workouts

Track exercise intervals, rest periods, and circuit training with lap times for each set.

Presentations

Monitor speaking time, track section duration, and stay within time limits with fullscreen mode.

Productivity

Use with Pomodoro technique, track task duration, and analyze time spent on activities.