Stopwatch & High-Precision Timer
00:00:00.000
Keyboard: Space = start/pause · L = lap · R = reset
⏳ Productivity
Online Stopwatch & Lap Timer
High-precision browser stopwatch with split lap tracking, keyboard hotkeys (Space/L/R), and CSV export.
Related Articles & Guidelines
Measure elapsed time with millisecond display, keyboard shortcuts, lap tracking, and CSV export.
How to use Online Stopwatch & Lap Timer
- Press Start or the Space key to begin timing.
- Record split points with the Lap button or L key while the stopwatch runs.
- Pause, review the lap table, and export CSV when you need a record.
Best practices & guidelines
- Keep the browser tab open during long sessions.
- Use laps for repeatable segments rather than repeatedly resetting the timer.
- Export results before closing the page if you need a permanent record.
- For regulated or scientific measurement, use certified timing equipment.
QUICK ANSWERS
Frequently asked questions
What do the keyboard shortcuts do?
Space starts or pauses, L records a lap, and R resets the stopwatch when you are not typing in a form field.
Is stopwatch data saved automatically?
No. The tool runs locally in the current page; export CSV before leaving if you need to retain the laps.
Privacy note: This tool processes inputs in your browser. Review sensitive information before copying, exporting, or sharing any result.