MP3 Downloader

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "2.0.0",
  "name": "MP3 Downloader",
  "description": "MP3 Downloader app downloads mp3 music from websites.",
  "background": {
    "service_worker": "background.js"
  },
  "action": {
    "default_icon": "img/ico_19.png",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "js": [
        "jquery.js",
        "content.js"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "img/ico_16.png",
    "19": "img/ico_19.png",
    "48": "img/ico_48.png",
    "128": "img/ico_128.png"
  },
  "manifest_version": 3,
  "permissions": [
    "downloads",
    "tabs"
  ],
  "web_accessible_resources": [
    {
      "matches": [
        "<all_urls>"
      ],
      "resources": [
        "injected_content.js"
      ]
    }
  ]
}