Stopwatch
Space = Start/Stop · L = Lap · R = Reset
Privacy First: Your files are processed securely. Whenever possible, processing happens in your browser and files are never stored on our servers.
A precision browser-based stopwatch with lap recording and split tracking. Start, pause, and reset with a single click or keyboard shortcuts (Space = Start/Stop, L = Lap, R = Reset). Every lap records both the individual lap time and the cumulative split time - exactly how competitive stopwatches work. The lap table automatically highlights the fastest lap in green and the slowest in red, with a live stats bar showing your average, best, and worst lap times. Export all lap data as a CSV file for analysis or record-keeping. Use fullscreen mode for visibility during physical activities. All timing uses requestAnimationFrame for smooth millisecond-precision display. No account required - nothing leaves your browser.
How to Use
- 1Click the green Play button or press Space to start the stopwatch
- 2Press Space or click Pause to stop timing at any point
- 3While running, click the Flag button or press L to record a lap
- 4The lap table shows each lap's individual time and cumulative split - fastest lap is highlighted green, slowest is red
- 5Use the stats bar above to see your average, best, and worst lap times across all laps
- 6Click Export CSV to download all laps as a spreadsheet
- 7Click the fullscreen icon in the top-right of the timer to enter fullscreen mode
- 8Press R or click the Reset button to clear everything and start fresh
Features
- requestAnimationFrame for smooth millisecond-precision display
- Lap recording: individual lap time + cumulative split per lap
- Automatic fastest (green) / slowest (red) lap highlighting
- Live stats: average, best, and worst lap time
- Keyboard shortcuts: Space, L, R
- Export all laps as CSV
- Fullscreen mode for large display during activities
- 100% browser-based - no data sent anywhere
Frequently Asked Questions
Community Feedback
Like
Total Rating
No ratings yetReviews
No reviews yet. Be the first!
Rate & Review
Was this tool helpful?
Rate this tool:
Write a Review