Custom Font Injector

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Custom Font Injector",
  "version": "1.0",
  "description": "Change the font of any website to your preferred font.",
  "permissions": [
    "activeTab",
    "scripting",
    "storage"
  ],
  "host_permissions": [
    "https://fonts.googleapis.com/*"
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "background": {
    "service_worker": "background.js"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; style-src 'self' 'unsafe-inline' https://fonts.googleapis.com;"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "images/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ]
}