The Ultimate Online Stopwatch & Countdown Timer
Whether you are timing a high-intensity interval training (HIIT) workout, presenting on stage, boiling an egg, or tracking study sessions with the Pomodoro technique, our free online stopwatch and timer provides millisecond precision right in your browser. No downloads or installations required.
Stopwatch Mode
Track unlimited laps, measure split times, and auto-highlight your fastest/slowest laps.
Smart Countdown
Set custom times, use 1-click presets, and get a loud alarm notification when time is up.
Powerful Features for Productivity
Fullscreen Display
Project the timer on large screens for classrooms, exams, or corporate presentations.
Background Accuracy
Switch tabs or minimize the browser; the timer uses your system clock to prevent drifting.
Built-in Alarms
A loud synthesized alarm automatically plays when your countdown hits zero.
Mobile Optimized
Functions perfectly as a dedicated app on iPhones, iPads, and Android devices.
Visual Clock Face
Classic mechanical sweeping hands and circular progress rings for easy tracking.
100% Privacy
Everything runs locally on your device. We do not track your time or store data.