probatio.click

A safe place to break things (on purpose). Tiny in-browser experiments and quick checks.

Browser facts

Collecting…

Copy a quick curl

Handy for testing that this host answers something.

Latency mini-test

Measures a tiny round-trip by scheduling a tick (no network). Not a real ping, but great to see main-thread hiccups.

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Generate a UUID

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Clipboard test

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LocalStorage test

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Keyboard test

Press keys here; we’ll echo the code. (Try the Konami code…)

Tip: press / to focus the page, R to “Run experiment”, and Esc to clear the keyboard log. · Need a 404 too? Try visiting /definitely-not-here.