A short companion for Chronometer: when it is useful, what it expects, and what to check before using the result.

What it does

A stopwatch with lap times, counting in tenths of a second, for timing something without leaving the browser.

Use the tool

Open Chronometer, add the input the tool asks for, run it, and check the output before using it elsewhere.

Input and output

  • Input: text.
  • Output: text.
  • Category: Math.

Privacy and processing

Processing happens locally in your browser. This tool does not upload the input to ilham.dev.

Questions

Does it keep running if I switch tabs?

Yes. The elapsed time is computed from a clock reading rather than by counting ticks, so a backgrounded tab cannot make it drift.

Related guide

For broader background, see Dates, Timestamps, and Time Zones.