Online Stopwatch
A real elapsed-time stopwatch with pause, resume, laps, fastest and slowest records, fullscreen and keyboard controls.
Related tools
What this tool does
A real elapsed-time stopwatch with pause, resume, laps, fastest and slowest records, fullscreen and keyboard controls.
Input: dates, times, time zones or timer settings.
Output: calculated dates, times, zones or timer results.
How to use it
- Enter the date, time, duration or time-zone values required by the tool in Online Stopwatch.
- Review the available options, then run Online Stopwatch and read any warning or validation message.
- Check the actual output before copying, downloading or using it in another system.
Common uses
Online Stopwatch is useful when you need to a real elapsed-time stopwatch with pause, resume, laps, fastest and slowest records, fullscreen and keyboard controls.
Privacy and limitations
Online Stopwatch runs in the browser where the feature allows it. Time calculations can depend on time-zone databases, daylight-saving rules and device clock accuracy.
Browser performance, file size, format support or device permissions can affect results. Verify output independently for formal documents, finance, identity or business data.
Browse related tools: Time & Date Tools