FREE TIME TOOL
Stopwatch
Precise stopwatch with lap tracking. Best and worst laps highlighted automatically. Runs indefinitely.
Why Use Our Stopwatch?
Millisecond Precision
Accurate to 10 milliseconds using requestAnimationFrame for smooth, reliable timing.
Lap Time Tracking
Record individual laps with both split time and running total displayed for each lap.
Best and Worst Lap Highlighting
When you have more than one lap, the fastest is highlighted in green and the slowest in red automatically.
Hours of Runtime
The stopwatch runs indefinitely with no timeout. Suitable for long races, cooking, or any extended timing.
Start, Stop, Resume
Stop the stopwatch and pick up exactly where you left off without losing any elapsed time.
No Sign-up Required
Opens instantly in your browser with no install, no account, and no distractions.
Frequently Asked Questions
How do I use the stopwatch?
Click Start to begin timing. Click Stop to pause. Click Lap while running to record a lap time. Click Reset to clear everything.
How accurate is the stopwatch?
It is accurate to 10 milliseconds. It uses requestAnimationFrame and the high-resolution performance clock for reliable timing.
How do lap times work?
Each time you click Lap, the stopwatch records the split time for that lap (time since the last lap) and the running total. Laps are shown newest first.
What do the green and red lap highlights mean?
When you have recorded more than one lap, the fastest split is shown in green and the slowest in red so you can quickly spot your best and worst intervals.
Is there a time limit?
No. The stopwatch runs indefinitely. It is suitable for long events, cooking, sports training, or any extended timing task.
Is this stopwatch free?
Yes. It is completely free with no sign-up, no download, and no account required.
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