Online Stopwatch

Display text size: px. Seconds only mode.

 00:00:00.000 

Calc split elapsed.

Timestamp start/stop/splits with epoch time local date and time none.
Enabledisable "Spacebar" key for start/stop and "Enter" key for split.

Timetable (timeline) will display here after clicking the "Start" button.
Active timing will display on top and previous times will stack in order below.
Checking "Calc split elapsed." will calculate the elapsed time between each split.
NOTE: Millisecond count will only display deciseconds (tenths) while stopwatch is running.