Icon Changer

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Icon Changer",
  "description": "Change the icon on twitter site with your custom icon",
  "version": "0.1.0.0",
  "action": {
    "default_popup": "popup.html",
    "default_title": "Icon Changer",
    "default_icon": {
      "16": "images/ic16.png",
      "32": "images/ic32.png",
      "48": "images/ic48.png",
      "128": "images/ic128.png"
    }
  },
  "permissions": [
    "storage",
    "scripting"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://twitter.com/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_end"
    }
  ]
}