Gamepad Checker & Tester: Test Your Controller Online

Gamepad Tester with: Stick-drift heat-map • Logging • Latency tap-test • CSV export – no installs, 100 % client-side.

What Is a Gamepad Checker?

A simple free gamepad tester tool designed to help diagnose controller issues. This free checker can detect joystick drift, measure input latency, and test button responsiveness without any downloads. Compatible with Xbox, PlayStation, Nintendo Switch, and PC controllers, it runs on macOS, Linux and mobile devices. Use this gamepad checker to troubleshoot problems and optimize performance, whether you're a casual gamer or an esports enthusiast.

How to use GamepadTester.uk

  1. To use the gamepad checker to detect issues connect a controller via USB or Bluetooth.
  2. Press any button – the gamepad tester will auto-detect your Gamepad.
  3. Move joysticks to allow the checker to build a drift heat-map, check calibration, or watch the dead-zone gauges.
  4. Click Start Test in Latency Tap-Test, wait for the red square, then tap a button.
  5. Need evidence? this gamepad checker had a downloadable CSV log from the history panel.
Connect & press a button…
Controller Info
Plug a controller and press any button.
Live Input
Buttons
#OnVal
Axes
#Val
Latency Tap-Test

Test your controller's input lag. Press a button when the square turns red.

Last: ms | Average: ms | Attempts: 0

Typical latency: Wired (~10-30ms), Wireless (~30-100ms)

Input History Download CSV
TimeEvent
Left Stick Dead-Zone
Right Stick Dead-Zone
Button Mapping
Trigger Sensitivity

Left Trigger

Right Trigger

Analog Stick Calibration

Move sticks to their full range to check calibration.

Advanced Vibration Test
300 ms
1.0
1.0

Why choose an online Gamepad tester over built-in OS tools?

Other controller panels have not changed for years. GamepadTester.uk gives you live heat-maps, CSV exports for support tickets, a latency benchmark, and it works on macOS, Linux, Steam Deck and mobile too – all without sending data anywhere. This tool will get built out over time as this is currently the first iteration. If you have any suggestions please message me! Contact details below.

Frequently Asked Questions

This gamepad tester supports most USB or Bluetooth controllers, including Xbox, PlayStation, Nintendo Switch Pro, and generic PC controllers. If your controller uses the Gamepad API, it should work.

Move your joysticks to generate a heatmap. Persistent movement without input indicates drift. The dead-zone gauge also shows unintended input.

Yes, all testing is 100% client-side. No data is sent to servers so there's no tracking.

Yes, if your mobile device supports OTG (USB) or Bluetooth controllers, you can test them directly in your browser.