Stopwatch

This stopwatch uses high-resolution browser timing and updates every 10 milliseconds. It provides millisecond-level precision suitable for most timing needs.

Click the Lap button while the stopwatch is running to record the current time as a lap. Each lap shows the split time (time since last lap) and the total elapsed time.

Yes. Click the Copy button to copy all lap times to your clipboard in a formatted table. You can paste this into any document or spreadsheet.

Yes! All processing happens entirely in your browser. No data is collected, stored, or transmitted. Your timing data stays on your device.

Yes. The stopwatch uses timestamp-based calculation, so it remains accurate even when the tab is in the background or your device sleeps momentarily.