controller-tester

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

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

Browser-based hardware diagnostics. Test controllers, monitors, GPUs, speakers, microphones, keyboards and mice with live readouts — stick drift and circularity, dead pixels, frame-time, channel isolation, n-key rollover, mouse polling rate. No install, no backend, nothing uploaded.

Free, browser-based gamepad tester. Spot stick drift in about 30 seconds. No install, no signup, nothing leaves your browser.

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