Stopwatch
00:00.00
- Space Start / pause
- L Lap
- R Reset
- F Full screen
- Z Zen mode (time only)
Press Start to measure elapsed time to the hundredth of a second, and press Lap (or L) to record a split.
Measure elapsed time to the hundredth of a second. Record a lap with one key, compare laps at a glance and export them to a spreadsheet.
Frequently asked questions
Does the stopwatch keep running if I close the tab?
Yes. It records when it started, so reopening the page shows the right time, even hours later.
How do I record a lap?
Press Lap or the L key while it runs. The fastest and slowest laps are highlighted.
Can I keep my laps?
Yes: Export CSV downloads them as a file that opens in Excel, LibreOffice or Google Sheets.