YouTube Quality Adjuster

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "YouTube Quality Adjuster",
  "version": "2.1",
  "manifest_version": 3,
  "description": "Automatically adjusts the quality of YouTube Videos",
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_popup": "youtube_quality.html",
    "default_icon": "icons/icon16.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://*.youtube.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "qualityControl.js"
      ],
      "matches": [
        "https://*.youtube.com/*"
      ]
    }
  ],
  "permissions": [
    "storage",
    "declarativeContent"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "host_permissions": [
    "https://*.youtube.com/*"
  ]
}