Youtube Thumb Previewer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Youtube Thumb Previewer",
  "short_name": "youtube-thumb-previewer",
  "description": "Preview how your youtube thumbnail will be displayed on devices like mobile, desktop and more",
  "version": "0.0.1",
  "author": "LimbusCode",
  "action": {
    "default_title": "Youtube Thumb Previewer",
    "default_icon": {
      "16": "16.png",
      "24": "24.png",
      "32": "32.png",
      "48": "48.png",
      "64": "64.png",
      "128": "128.png"
    }
  },
  "background": {
    "service_worker": "background.js"
  },
  "permissions": [
    "storage"
  ],
  "icons": {
    "16": "16.png",
    "24": "24.png",
    "32": "32.png",
    "48": "48.png",
    "64": "64.png",
    "128": "128.png"
  }
}