Image saver for Bing Creator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Image saver for Bing Creator",
  "description": "Quickly download the four generated images in Bing Image Creator, with a single click.",
  "version": "1.0",
  "permissions": [
    "activeTab",
    "downloads"
  ],
  "host_permissions": [
    "*://*.bing.com/*"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.bing.com/*"
      ],
      "js": [
        "content.js"
      ],
      "all_frames": true,
      "run_at": "document_end"
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_title": "Download Images"
  },
  "externally_connectable": {
    "matches": [
      "*://*/*",
      "file:///*"
    ]
  }
}