Keyboard Event Viewer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Keyboard Event Viewer",
  "description": "Visualize on-screen what keys are pressed in real time to enhance your presentations",
  "version": "0.0.1",
  "manifest_version": 3,
  "background": {
    "service_worker": "background.js"
  },
  "permissions": [
    "storage",
    "activeTab",
    "scripting"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "/images/icon_16.png",
      "32": "/images/icon_32.png",
      "48": "/images/icon_48.png",
      "128": "/images/icon_128.png"
    }
  },
  "icons": {
    "16": "/images/icon_16.png",
    "32": "/images/icon_32.png",
    "48": "/images/icon_48.png",
    "128": "/images/icon_128.png"
  }
}