What does GPProbe do?
GPProbe is a free online controller tester that runs entirely in the browser using the Gamepad API — no downloads or installs. Connect any PS5 DualSense, Xbox or Switch controller and instantly test stick drift, deadzone, polling rate, button response and vibration, with clear visual results and step-by-step fix guides. Free forever, no signup, and nothing is uploaded — everything runs locally in the browser.
Who should use GPProbe?
Gamers and anyone with a PS5 DualSense, Xbox or Switch controller are the clearest fit based on how the product is positioned.
Best fit
Pricing: Free
Platforms: Web
How much does GPProbe cost?
Free Check the provider’s own page for the latest pricing, packages and terms.
Details, pricing and availability can change. We use provider information, verified owner updates and editorial review where available. Check the provider’s own page before making a purchase, booking or important decision.
Profile last updated 30 Oct 2026.
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