manifest.json

{
  "background": {
    "persistent": false,
    "scripts": ["background.js"]
  },
  "content_scripts": [
    {
      "js": ["content.js"],
      "matches": ["https://www.facebook.com/", "*://*.facebook.com/*"]
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "16.png",
      "32": "32.png",
      "48": "48.png"
    },
    "default_popup": "popup.html"
  },
  "description": "Mute words on facebook newsfeed!",
  "icons": {
    "16": "16.png",
    "32": "32.png",
    "48": "48.png"
  },
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqAQjAd9fZoW3HHBIEnknV7Mw4jMxcH7tw+PJFR72wMu0vLV6TzQk7vg5wbVKDGs+9uvq9TPFf8FurvldTH3yJF/tsnIoUwhcFn06/Oku3gwg22leA/wz+8bZhnrQcK8pqQuAV8npqdFky0dZsrEJBBZJxbguDq/UDAfBGaVfu4Nfb6nLXSGoJ2nUxp0gbQBdJEXqxVil6QfqO3ADjFDStA4MJqEyKWyEYa5z4eYR44O+zjjqYiKShYM4rQTBnCvdQtBUgRo9bsetqgcWA7DopZ2NgmVPktM4SCN+/oAGtDVCmMRznYo187SPgb2p+3vC/4KyoqZRbraM2CpDXtUhOQIDAQAB",
  "manifest_version": 3,
  "name": "Mute Words on Facebook",
  "permissions": [
    "storage",
    "tabs",
    "*://*.facebook.com/*",
    "contextMenus",
    "clipboardWrite"
  ],
  "update_url": "https://clients2.google.com/service/update2/crx",
  "version": "3.1"
}