Browser-based diagnostics
Test any controller.
Diagnose every issue.
The fastest browser-based controller diagnostic platform. Detect stick drift, measure latency, and score your gamepad — no download, no account, instant results.
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Controllers Tested
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Devices Supported
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Detection Accuracy
The Arsenal
25 diagnostic tests
One focused tool for every measurable property of your controller. All client-side, all instant.
Controller Health Score
One number that says everything
A composite 0–1000 score across drift, button response, triggers, deadzone, latency, and connection stability. Shareable, verifiable, and the only controller grade that means something.
Run the benchmark847
out of 1000
GradeA
Universal Support
Built for every controller
Pre-configured layouts for 80+ controllers across PlayStation, Xbox, Nintendo, and third-party brands.
No download required
Find out if your controller still has it
Plug in, press a button, and get a full diagnostic in seconds. Free forever.
Start Testing Now