Gamepad Tester Online is a free, browser-based tool that allows users to test their game controllers quickly and accurately. It supports real-time testing for buttons, analog sticks, triggers, and vibration—without requiring any downloads or installations. Compatible with Xbox, PlayStation, Nintendo Switch, and most other USB or Bluetooth gamepads, MyGamepadTester is perfect for gamers, developers, and technicians looking to diagnose controller issues or verify performance.