Examine source code of ES Profile Exporter

{
  "manifest_version": 3,
  "name": "ES Profile Exporter",
  "version": "1.1",
  "description": "Exports your snowtrace.io profile into a JSON file.",
  "permissions": [],
  "content_scripts": [
    {
      "matches": [
        "https://snowtrace.io/my*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon_16.png",
    "32": "icons/icon_32.png",
    "48": "icons/icon_48.png",
    "64": "icons/icon_64.png",
    "128": "icons/icon_128.png",
    "256": "icons/icon_256.png"
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "icons/icon_16.png",
      "32": "icons/icon_32.png",
      "48": "icons/icon_48.png",
      "64": "icons/icon_64.png",
      "128": "icons/icon_128.png",
      "256": "icons/icon_256.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{bd28369a-590a-4b20-8069-7a3aea3b7414}",
      "strict_min_version": "42.0"
    }
  }
}