OnlyStopWatch

OnlyStopWatch delivers exact countdown timing across any duration—from multi-hour sessions down to millisecond accuracy. Alongside its granular time units, the software includes convenient preset hotkeys that let you start or stop the timer without touching the mouse. Ideal for developers, scientists, coaches, or hobbyists needing dependable, hands-free time tracking. Simple to set up and effortless to use, it ensures you never miss a beat.