Examine source code of Unplug Dev

{
  "manifest_version": 3,
  "name": "Unplug Dev",
  "version": "1.2",
  "description": "QR code, Color Picker, Cookies, SEO/Meta, Screenshot, Auto Form Fill, Json Formatter",
  "author": "Developed & Maintained by Your Unlein® Pvt Ltd © 2025",
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "128": "icons/icon128.png"
    }
  },
  "permissions": [
    "activeTab",
    "scripting",
    "cookies",
    "storage",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bunty@unlein.com"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "windows": "Ctrl+Shift+U",
        "mac": "Command+Shift+U",
        "chromeos": "Ctrl+Shift+U",
        "linux": "Ctrl+Shift+U"
      },
      "description": "Open extension popup"
    }
  }
}