Examine source code of Image Converter

{
  "manifest_version": 3,
  "name": "Image Converter",
  "author": "AurorisNet",
  "homepage_url": "https://github.com/auroris/ImageConverter",
  "version": "2.0.1",
  "description": "Convert and save images as JPG or PNG",
  "browser_specific_settings": {
    "gecko": {
      "id": "{1da3dcfd-7961-446e-b28a-bc6fd81b7ae8}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png",
    "128": "icons/icon-128.png"
  },
  "permissions": [
    "contextMenus",
    "activeTab",
    "scripting",
    "storage"
  ],
  "optional_host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "default_locale": "en"
}