About This Web-Based Stopwatch

This professional, feature-rich web-based stopwatch is designed for precise timing of events, workouts, activities, and more. With millisecond-level accuracy, it ensures every second is measured precisely, and your timer continues running even when you switch browser tabs. Its responsive design makes it compatible with desktops, tablets, and mobile devices, giving you a seamless timing experience wherever you are.

Ideal for athletes, coaches, students, teachers, researchers, and anyone who needs accurate time measurement, this stopwatch supports unlimited lap recording, allowing you to track individual lap times and differences effortlessly. The tool operates entirely in your web browser, requiring no installation, registration, or subscriptions — simply open it and start timing instantly.

The stopwatch offers a wide range of convenient features to enhance usability. Keyboard shortcuts provide quick control, while dark and light modes ensure comfortable viewing in any lighting condition. Fullscreen mode helps you focus on your timing tasks, and the floating mini stopwatch (PIP) allows you to keep track of time even when working in other windows. Additionally, lap data can be exported as CSV or TXT files or copied directly to the clipboard for analysis.

Its practical use cases cover sports and athletics, fitness training, education, research, media production, and everyday activities. Whether you are tracking workout intervals, timing presentations, measuring experiment durations, or monitoring cooking times, this stopwatch provides reliable, accurate results for every scenario.

Designed with performance and privacy in mind, the stopwatch uses smooth, browser-based timing updates, stores all data locally on your device, and works fully offline once loaded. Accessibility features, including keyboard shortcuts and ARIA labels, make it easy for everyone to use. This tool is free to use, providing a complete, professional timing solution without any barriers.