image download

manifest.json

{
  "manifest_version": 3,
  "name": "image download",
  "description": "download image",
  "version": "1.0.1",
  "action": {
    "default_popup": "index.html",
    "default_icon": "static/images/pic.png"
  },
  "icons": {
    "16": "static/images/pic.png",
    "32": "static/images/pic.png",
    "48": "static/images/pic.png",
    "128": "static/images/pic.png"
  },
  "content_scripts": [
    {
      "js": [
        "static/scripts/content.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "permissions": [
    "bookmarks",
    "contextMenus",
    "tabs",
    "notifications",
    "webRequest",
    "webRequestBlocking",
    "storage",
    "chrome://favicon/",
    "http://*/*",
    "https://*/*"
  ],
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}