I disassembled the keyboard and cannot remember where which buttons were located. You can check the signals from the buttons using our keyboard test online.

Free online keyboard and mouse tester for developers. Test key functionality, mouse buttons, scroll wheel, and monitor real-time input events with keyCode, key name, coordinates, and …

Virtual keyboard is hidden on small screens. Keyboard Tester is meant to test physical keyboards. On screen keyboards cannot affect the virtual buttons on this site.

Check buttons, joystick axes, drift, vibration, and more. Works with all controllers and joysticks in a modern browser.

Run a controller input test to verify button presses, triggers, and joystick axes in real time. Works online for Xbox, PS5, and PS4. No install required.

Comprehensive input testing tools to check mouse, keyboard, typing speed, clicking speed, and more.

Our custom-designed button test allows you to thoroughly check every key on your keyboard right from your browser. The Ratatype keyboard tester is simple, fast, efficient, and best of all — …

👋 Hey. here you can test your Keyboard and Mouse! To refresh colors click 🔃here.

Quickly check for stuck or dead keys on any device – mechanical, membrane, or laptop.