CHECK THE LITTLE THINGS
A good connection
starts with a small check.
Keys, clicks, touches, and controllers. See what comes through.
Keyboard test 0 observations
Paused · not focusedEvery key has a little story.
Start, then press test keys inside the focused area. We show the key and code reported by your browser.
LATEST BROWSER EVENT
Ready for your first key.
No physical keyboard layout is assumed.
ctrlaltshiftmeta
Observed codes 0 / 256
Your tested key codes will appear here.
Observation paused
Focus loss pauses logging. Tab is always available to leave.
Use test inputs, not passwords. No input contents are uploaded or stored automatically.
Choose a test. Start when you’re ready to interact.
THE SIGNALS THAT MADE IT THROUGH
Last 8 shown · newest firstRecent observations
Your observations will appear here after you start a focused test.
A small record of what you saw.
Review a local JSON summary. It contains browser observations, not a device health certificate.
Try it, see it
Raw events alongside clear, focused visual feedback.
Only while you’re here
Logging pauses when the selected area loses focus.
Keep the context
Honest limits. Local history. No hardware promises.