Check buttons, joystick axes, drift, vibration, and more. Works with all controllers and joysticks in a modern browser.

Run Gamepad Tester online for a quick controller test. Diagnose buttons, joysticks and drift on any controller. No installs. Always free.

Connect, diagnose, and calibrate your video game controllers quickly and for free. Find out if your controller has drift issues or faulty buttons. Improve your gaming experience and save money on …

Dec 26, 2025 · Regular calibration maintains control precision, ensuring your gaming sessions are smooth and accurate. Follow these steps to keep your controller performing at its best.

Controllercheck.org is an open-source tool to test, analyze, and calibrate game controllers directly in your browser. Simple, fast, and free.

Fix controller accuracy issues with our step-by-step calibration tool. Calibrate analog sticks, triggers, and dead zones to restore precise control and eliminate drift problems.

This tool will guide you in re-centering the analog sticks of your controller. It consists in four steps: you will be asked to move both sticks in a direction and release them.