Online Stopwatch – Free Browser-Based Time Tracking
This online stopwatch runs directly in your browser with millisecond accuracy. No app download needed, no registration required. Just click Start and begin timing. The lap function records split times in a clear table format.
Unlike phone stopwatches, a browser-based stopwatch gives you a large, easy-to-read display on your computer screen. It stays open in a tab while you work, making it ideal for time tracking during tasks.
How to Use the Online Stopwatch
Start and Stop
Click the green Start button to begin timing. Click the red Pause button to stop. The elapsed time is shown in hours, minutes, seconds, and milliseconds.
Record Lap Times
While the stopwatch is running, click the Lap button to record a split time. Each lap shows both the interval time and the total elapsed time.
Reset
Click Reset to clear the stopwatch and all recorded lap times. You can start a fresh timing session immediately.
Frequently Asked Questions
Does the stopwatch keep running if I switch tabs?
Yes. The stopwatch continues to count even when you switch to another browser tab. When you return, the display will show the correct elapsed time.
How accurate is this stopwatch?
The stopwatch uses your browser's high-resolution timer and is accurate to the millisecond. This is sufficient for most everyday timing needs including sports, cooking, and work tracking.
Can I export my lap times?
You can select and copy the lap times table, then paste it into a spreadsheet or document. The data is formatted in columns for easy use.