Controller Tester

Controller Tester

Test controller drift, circularity and deadzones

4 followers

A free web-based tool to diagnose gaming controllers without installing software. It provides instant visual feedback for joystick performance, including: Stick Drift Testing: Measure drift magnitude to see if your sticks move on their own. Circularity Check: Calculate the average circularity error to test precision. Input Visualization: View real-time X/Y coordinates and button presses. Works with all major gamepads, including ALPS, Hall Effect, and TMR sensors.

Controller Tester launches

Launch date
Controller Tester
Controller Tester Test controller drift, circularity and deadzones

Launched on January 29th, 2026