Stopwatch
Record lap times and cumulative totals. Export all laps as CSV, or clear the laps while keeping the timer running.
Stopwatch
Timing and laps are saved only in this browser so you can continue after refreshing. Reset removes the saved record. Changing your device clock can affect elapsed time.
Laps
Record lap times and cumulative totals. Export all laps as CSV, or clear the laps while keeping the timer running.
No laps yet
Up to 10,000 laps. Exact milliseconds are included in CSV; the display shows hundredths of a second.
How to use
Record lap times and cumulative totals. Export all laps as CSV, or clear the laps while keeping the timer running.