Online Stopwatch with Lap Timer
Track elapsed time and record split laps with our accurate online stopwatch. Free, simple to use, and works right in your browser. Start timing now.
About Stopwatch
Track elapsed time with precision using this browser-based online stopwatch. Designed for workouts, studying, productivity sessions, and sports, it delivers accurate timekeeping with millisecond precision directly on your desktop, tablet, or phone.
Because the tool runs entirely in your web browser, there is no software to install and no account required. Record split times effortlessly, control timing with convenient keyboard shortcuts, and keep your sessions on schedule.
Key features
- Millisecond-level precision time measurement
- Record unlimited split and lap times
- Start, pause, and reset controls via keyboard shortcuts
- Clean, distraction-free display suitable for presentations
- Runs entirely in your web browser with zero installation
- Completely free with no account registration required
How to use Stopwatch
- Click Start or press the spacebar to begin counting time.
- Select Lap to record split times while the timer runs.
- Click Pause to temporarily stop the clock.
- Review your recorded lap history and split durations.
- Click Reset to clear all times and return to zero.
Who is it for?
- Athletes and coaches timing sprints, interval training, and fitness workouts
- Students and educators timing classroom activities, tests, and presentations
- Productivity professionals applying timeboxing and task tracking techniques
- Cooking and baking enthusiasts monitoring multi-stage recipe preparations
- Debaters and public speakers practicing speeches to meet exact time limits
Frequently asked questions
Is this online stopwatch accurate?
Yes, the stopwatch uses your device's internal system clock to calculate elapsed time with millisecond precision, ensuring reliable accuracy for daily and professional use.
Does the stopwatch keep running if I switch browser tabs?
Yes, because elapsed time is computed based on system timestamps, the timer continues accurately even if you navigate to another tab or minimize the browser window.
Can I record lap times with this tool?
Yes, clicking the Lap button records your current split time and individual lap duration in a clear, scrollable list below the main counter.
Is this online stopwatch free to use?
This tool is completely free with no usage limits, hidden fees, or account signups required.
Can I use keyboard shortcuts to control the stopwatch?
Yes, you can start and pause the stopwatch using the spacebar, making it easy to operate without reaching for your mouse.