Stopwatch
Precise stopwatch with laps and hundredths of a second.
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使用方法
- 一切都在您的浏览器本地运行：不会上传任何数据，无需账户。
关于
Start, pause and resume with lap recording. Lap times show both the lap duration and the overall elapsed time.
The stopwatch is monotonic — it measures real elapsed time and will not drift if the tab is briefly busy.
一切都在您的浏览器本地运行：不会上传任何数据，无需账户。
Embed this tool
Customize and copy an iframe. Linking back helps both sites.