Measurement tools

    Time, temperature and benchmark helpers.

    Chronometer

    A stopwatch with lap times, accurate to the millisecond.

    Temperature converter

    Convert between Celsius, Fahrenheit, Kelvin, Rankine, Delisle and more.

    Benchmark builder

    Paste timing samples per variant and compare mean, median and variance.

    Everything here runs on your machine

    These 3 measurement tools are plain client-side JavaScript served as static files. There is no backend to receive what you paste, no account to create and no usage limit. Open your browser's network panel while you work and you will see the page load, then nothing else.