Stopwatch
A browser-based stopwatch with millisecond precision timing and unlimited lap time recording capabilities. It features simple start, stop, and reset controls with CSV export for analyzing recorded data in spreadsheets. Useful for coaches timing athletic performances, professionals measuring task durations, and researchers collecting time-series data for analysis.
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Practical Guide
Small practical utilities such as timers, notes, password generation, unit conversion, and random selection. Built for quick use without accounts or setup.
When this tool is useful
Stopwatch helps with common Utilities tasks that require quick checking, conversion, or creation. It supports workflows such as Simple start, stop, and reset controls, Lap time recording without forcing users to switch pages or apps.
Processing and privacy
Your input is processed in the browser and is not designed to be sent to a server just to use the tool. This makes it suitable for temporary checks, draft work, and pre-publication cleanup.
Workflow tip
After checking the result, use the related tools and same-category links near the bottom of the page to continue the surrounding task. Frequently used tools also appear in the Recently Used section.
Stopwatch Features
- Simple start, stop, and reset controls
- Lap time recording
- Export lap times as CSV
- Millisecond precision timing
How to Use
- 1Click Start to begin the stopwatch
- 2Click Lap to record intermediate times
- 3After timing, save lap times as CSV
FAQ
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