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A free web-based tool to diagnose gaming controllers without installing software. It provides instant visual feedback for joystick performance, including:
Stick Drift Testing: Measure drift magnitude to see if your sticks move on their own.
Circularity Check: Calculate the average circularity error to test precision.
Input Visualization: View real-time X/Y coordinates and button presses.
Works with all major gamepads, including ALPS, Hall Effect, and TMR sensors.

Controller TesterTest controller drift, circularity and deadzones
Marcus Richardsonleft a comment
Hey Product Hunt! 👋 I built this Gamepad Tester to help gamers easily diagnose their controllers for common issues like stick drift and circularity with no software installation required. Whether you're rocking a standard Xbox/PS5 controller or a new Hall Effect/TMR gamepad, you can quickly check your circularity error rates and drift magnitude right in your browser. I'd love to hear your...

Controller TesterTest controller drift, circularity and deadzones
Marcus Richardsonleft a comment
really decent keyboard

Keychron K3A compact ultra-slim mechanical keyboard
Marcus Richardsonleft a comment
very cool!

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Marcus Richardsonleft a comment
nice

WhiteFox Eclipse Wireless KeyboardThe Modern Mechanical Keyboard with Magnetic Gasket Mounting
Marcus Richardsonleft a comment
Great idea, good luck

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