Iframe Copy

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Iframe Copy",
  "description": "List and copy iframe elements",
  "version": "1.0",
  "permissions": [
    "clipboardWrite",
    "scripting"
  ],
  "action": {
    "default_popup": "popup.html"
  },
  "icons": {
    "16": "icon.png",
    "48": "icon.png",
    "128": "icon.png"
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "export.js"
      ],
      "matches": [
        "https://*/*",
        "http://*/*"
      ]
    }
  ]
}