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Free Online Stopwatch — Precise Lap Timing in Your Browser
Precise online stopwatch with lap timing.
About Stopwatch
A precision stopwatch with lap timing built right into your browser. Start, pause, and record split times for each lap — perfect for tracking running intervals, swimming laps, speech practice sessions, or measuring how long a task actually takes. All lap times are displayed in an easy-to-read list you can reference or screenshot.
How to Use Stopwatch
- 1Click Start to begin the stopwatch
- 2Press Lap to record a split time without stopping the main timer
- 3Pause and resume as needed — all lap times are preserved
- 4View all recorded lap times and cumulative totals in the lap list
When to Use Stopwatch
- ▸Timing running splits during track workouts
- ▸Measuring how long real-world tasks actually take
- ▸Speech and presentation practice with split-time tracking
- ▸Swimming, cycling, and other lap-based sports timing
Frequently Asked Questions
- Does the stopwatch run in the background if I switch tabs?
- Yes — the stopwatch continues running accurately even when the tab is not active, using system time rather than a tick counter.
- Can I export my lap times?
- You can screenshot or copy the lap times from the list. Direct CSV export is available in supported browsers.
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