Magnifying Glass Zoom

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Magnifying Glass Zoom",
  "description": "Press the toolbar button to see the Magnifying Glass on the current page.",
  "manifest_version": 3,
  "version": "1.0.0",
  "action": {
    "default_title": "Magnifying Glass Zoom",
    "default_icon": {
      "16": "src/img/16.png",
      "32": "src/img/32.png",
      "48": "src/img/48.png",
      "64": "src/img/64.png"
    }
  },
  "commands": {
    "magnify": {
      "description": "Magnifying Glass zoom",
      "suggested_key": {
        "default": "Alt+Shift+S"
      }
    }
  },
  "background": {
    "service_worker": "index.js"
  },
  "icons": {
    "16": "src/img/16.png",
    "32": "src/img/32.png",
    "48": "src/img/48.png",
    "64": "src/img/64.png",
    "128": "src/img/128.png"
  },
  "permissions": [
    "scripting",
    "storage",
    "activeTab"
  ]
}