Gamepad Mapping Tester
Verify your custom controller layouts and button mappings. Ensure your rebinds work perfectly before launching a game.
Diagnostics Results
Normal variance. Your controller is operating flawlessly.
Slight potentiometer wear detected.
Severe drift detected. Repair is highly recommended.
How to Get Started
Just three steps to run a complete controller test and understand your controller's health status.
Connect Controller
Connect your controller to your computer via USB cable or Bluetooth. If the browser doesn't respond, press any button on the controller to activate the connection.
Button Detection
Press each button in the visual interface and confirm the corresponding area lights up on screen. This helps troubleshoot unresponsive or double-clicking buttons.
Sticks & Vibration
Rotate the sticks to check linearity and drift issues; click the vibration test button to feel if the left and right motor feedback is working properly.
What would you like to do next?
Select a diagnostic calibration suite, deadzone analyzer, or high-frequency overclock tool.
Repair & Calibration
Calibrate zero-point offsets or follow step-by-step repair guides.
Game Deadzones
Calculate exact radial vs axial deadzone overlays for Fortnite, Apex, & COD.
Overclock & Circularity
Verify true hardware polling Hz stability and statistical circularity grades.
How do you verify custom gamepad button mappings?
Verify custom gamepad button mappings by using an online controller mapping tool. Press each remapped button on your controller and check if the on-screen display registers the intended virtual output. This ensures software-level rebinds are functioning correctly before you launch a game.
Recommended Actions
Before you chase a rebind problem, rule out the hardware: run the Stick Drift Test. A stick that reports movement while idle will corrupt any mapping test and look like a broken rebind.
Practice what you just tested
Turn your test results into skill. These arcade games train the exact inputs you just measured — drift, buttons, triggers, D-pad and reaction time.
Frequently Asked Questions
Everything you need to know about testing your controller.
Can I remap controller buttons in the browser?
The browser Gamepad API reads inputs directly. To remap buttons globally, you must use software like Steam Input, DS4Windows, or system-level accessibility settings.
How this test works & its limits
- This test reads your controller through the browser's standard Gamepad API — no drivers, no installs, nothing leaves your device.
- Readings depend on connection mode: Bluetooth reports at lower rates than USB. Compare like-for-like (wired vs wired).
- We measure the input reaching the browser — display lag and game-engine queues are outside this test's view.
- A clean reading now does not guarantee no drift in-game: deadzones differ per game, and wear develops over time. Use the Drift Timeline to track yours.
- This is a diagnostic, not a hardware-lab certification. For repair or RMA decisions, confirm with a second run or second tool.
All Gamepad API data stays in your browser. Zero tracking or data collection.
No downloads, plugins, or software installation needed. Works instantly.
No paywalls, subscription requirements, or hidden usage limits.