Gamepad Tester

Connection Type

Basic Advanced

Basic (Gamepad API) - basic button and stick monitoring Advanced (WebHID) - calibration, rumble, LEDs, IMU, etc.

Calibration

Actions

Settings

Dark theme

Controller: Waiting for controller, connect and press any button...

Joystick Info

LX:

LY:

RX:

RY:

Normal 10x zoom Check circularity

Paths

Hotkeys

L3 + R3 — Expand joysticks
Options + L1 — Left rumble (hold 1s)
Options + R1 — Right rumble (hold 1s)
Options — Max L2/R2 resistance
Options + Create — LED test
L1 — Clear left path
R1 — Clear right path

Debug

NVS Status

Unknown

Last connected

Additional info

WebHID calibration requires Chrome or Edge on a PC or Mac, over USB. Gamepad API works without a permission prompt for stick and button visualization.

This tool cannot fix stick drift. Drift is mechanical; replace the sticks, then calibrate.

Based on DualShock Calibration GUI

Controller: Waiting for controller, connect and press any button... Details

Thank you!

Credits

PayPal donation

BGA Pinout Viewer — Changelog

Controller: Waiting for controller, connect and press any button...