High-precision stopwatch with lap timer. Record lap times, track splits, and export your data as CSV.
Press Space to start/stop, L to record lap
How to use: Click the green play button or press Space to start the stopwatch. Press L or click the lap button to record lap times while running. The fastest and slowest laps are highlighted in green and red respectively. Export your lap times as CSV for further analysis.
All processing happens locally in your browser. Your data is never uploaded to our servers.