Stopwatch

Free online stopwatch with millisecond precision and lap splits. Automatically marks your fastest and slowest laps.

How to use

1. Fill in the input box above, or click "Fill sample" to try it instantly
2. Adjust the options as needed — results update as you type
3. Click "Run" to get the result, then copy or export it in one click

Tips

• Runs entirely in your browser — your data never leaves the device
• Completely free, no registration, no usage limits
• Most tools compute in real time as you type