Online Stopwatch

Steps to Use the Stopwatch

1. Click Start to begin timing.
2. Click Lap to record a lap time while the stopwatch continues running.
3. Click Stop to pause the timer.
4. Click Start again to resume timing.
5. Click Reset to clear the timer and remove all recorded laps.
6. Keyboard shortcuts: Space = start/stop, L = lap, R = reset.

Lap Table Basics

• Split shows the total elapsed time when a lap is recorded.
• Diff shows the time difference between the current lap and the previous one.
• The live row updates continuously while the stopwatch is running.
• The counter indicates how many laps have been recorded.

Why Use This Online Stopwatch?

• Accurate timing down to hundredths of a second
• Lap tracking with automatic split and difference times
• Keyboard shortcuts for faster control
• Privacy-friendly — everything runs locally in your browser
• Responsive design that works on phones, tablets, and desktops

Pros and Cons

Pros

• Accurate timing to hundredths of a second — ideal for workouts, sprints, and study sessions
• Large, easy-to-read display for quick timing checks
• Lap tracking with split and difference calculations
• Keyboard shortcuts for faster control
• Runs entirely in your browser with no installation
• Works across desktop, tablet, and mobile devices

Cons

• The stopwatch resets if the tab is closed or the device goes to sleep
• No built-in reminders, export option, or cloud synchronization