DOM to JSON Selector

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "DOM to JSON Selector",
  "version": "1.1",
  "description": "The tool extracts element details for highlighted component of webpage DOM.",
  "browser_action": {
    "default_title": "DOM-JSON Selector"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "js": [
        "js/jquery-3.2.1.min.js"
      ],
      "css": [
        "css/style.css"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_end"
    }
  ],
  "offline_enabled": false,
  "permissions": [
    "activeTab"
  ],
  "web_accessible_resources": [
    "css/*.css",
    "js/*.js"
  ],
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "64": "icons/icon64.png",
    "128": "icons/icon128.png"
  }
}