Gamepad Tester
Check controller buttons, triggers, sticks and center drift. It runs directly in your browser.
Local processingProcessed locally in your browser
Connect by USB or Bluetooth, then press a controller button. Browsers may hide an idle controller until its first input.
The standard diagram follows the browser's standard Gamepad API mapping, not a detected controller brand. Non-standard controllers keep their raw button and axis numbers. This page can observe input but cannot calibrate, repair or change controller firmware. Escape stops the test.
Good for
Check the inputs reported by USB and Bluetooth game controllers before gaming, buying used hardware or replacing a worn stick.
Limits
The browser can observe controller input but cannot calibrate or repair hardware. Standard diagrams and center-drift sampling require a standard Gamepad API mapping; other controllers show their raw buttons and axes.