Free in-browser tester for your keyboard, mouse & gamepad. Spot dead keys, check buttons, scroll & analog sticks. Private, offline-capable, no install.

Official GitHub gateway for ZeroedTools: free browser-based FPS sensitivity, aim, reaction, mouse, controller and display tools.

Official GitHub gateway for ZeroedTools: free browser-based FPS sensitivity, aim, reaction, mouse, controller and display tools.

Game Controller Tester 2026 – Test all buttons, triggers, and joystick axes on your gamepad. Calibrate sticks and triggers with visual feedback. Supports Xbox, PlayStation, Nintendo, and generic controllers. Setup.exe included.

🎮 Free online gamepad testing tool - Detect stick drift, test Controler buttons & vibration for PS4, PS5, Xbox, Nintendo Switch controllers. 🔗 https://controllertest.net

Measure, compare, and troubleshoot your FPS gaming setup with this browser-based toolkit for mice, keyboards, and displays.