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Runs locally

No uploads of your camera, microphone, keyboard, or sensor data. No account. No hidden fingerprint. Just honest, local diagnostics.

No upload

Every test runs locally in your browser. Camera and microphone access is only ever requested after you click, and access ends the moment you stop or leave the page.

Free & no account

Honest, local, browser-based device diagnostics.

TestOnDevice

Honest, local, browser-based device diagnostics.