Gamepad Tester & Drift Diagnostics

Inspect controller buttons, analog triggers, joystick deadzones, stick drift, and vibration actuators in real-time.

Connect a Controller & Press Any Button

Connect an Xbox, PlayStation, Nintendo Switch, or generic USB/Bluetooth gamepad. The browser requires you to press a button to wake up the controller interface.

Listening for controller inputs...
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Understanding Controller Diagnostics & Stick Drift

Modern gaming controllers—including Sony DualSense, Microsoft Xbox Wireless, and Nintendo Switch Pro controllers—rely on analog potentiometer thumbsticks. Over months of gameplay, microscopic carbon wear, mechanical spring degradation, and dust create minor resistance shifts known as stick drift.

How to Interpret Test Results

  • Resting Deadzone: When untouched, both analog sticks should rest at (0.00000, 0.00000). A resting value exceeding ±0.05 indicates mild drift; exceeding ±0.10 often causes unwanted character movement in games.
  • Circularity & Range: Rotate the stick in full 360° circles. The reticle should touch the outer perimeter without hitching or flattening at diagonal angles.
  • Trigger Linearity: Analog triggers (LT/RT or L2/R2) should smoothly transition from 0% at rest to 100% when fully depressed.

Frequently Asked Questions

Connect your gamepad via USB cable or Bluetooth (Xbox Wireless, PlayStation DualShock/DualSense, Nintendo Switch Pro, or generic HID controller). Then press any button (such as A or the D-Pad) to activate the browser's Gamepad API. Your controller will instantly appear on screen.
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Abbolo Insight: Modern web utilities can be safely executed in-browser without sending sensitive payload data to external servers.
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