Web intput tester

A quick utility to double check the key codes and modifies for common input devices using WebAPI's.

Features

• Keyboard/HID/Gamepad support usingWebAPI's
• Shows modifiers alt/meta/control/shift
• Shows keycode
• Displays connected device details

Usage

1. Open index.html locally or https://ylanallouche.github.io/web-input-tester/ in a web browser
2. Select your input type from the tabs (HID, Gamepad, or Keyboard)
3. For HID: Click "Connect HID Device" to select a USB device
4. Monitor incoming input events in the log panel
5. Use "Clear Log" to reset the display

Project Structure

src/
  ├── app.js                 # Entrypoint 
  ├── handlers/              # Handlers
  │   ├── hidHandler.js      # HID device 
  │   ├── gamepadHandler.js  # Gamepad API 
  │   └── keyboardHandler.js # Keyboard event 
  └── utils/
      └── logger.js          # Shared logging utility
css/
  └── style.css              
index.html                    # Invoking 

Browser Support

Requires a modern browser with support for:

• WebHID API (for USB device support)
• Gamepad API
• ES6 modules

License

MIT © 2026 ALLOUCHE Ylan