Examine source code of Frangraf fr

{
  "manifest_version": 3,
  "name": "Frangraf fr",
  "version": "9.3",
  "description": "Pour convertir l'orthographe des pages web en frangraf.   Cette extension ne recueille aucune donnée des utilisateurs.",
  "homepage_url": "https://www.frangraf.org/",
  "permissions": [],
  "host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{dd3aa20e-124c-4d30-8413-c22faa2c53c3}"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "https://*/*",
        "http://*/*"
      ],
      "js": [
        "Webpaj_to_sinp.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "icons": {
    "48": "icon-512.svg",
    "96": "icon-512.svg",
    "128": "icon-512.svg"
  },
  "action": {
    "default_icon": {
      "48": "icon-512.svg",
      "96": "icon-512.svg",
      "128": "icon-512.svg"
    }
  }
}