Web Code Injector

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Web Code Injector",
  "description": "Add your own code (HTML, CSS, JS) to your favourite websites. A simple fast way to improve :) your favourite websites.",
  "manifest_version": 2,
  "version": "3.0.2",
  "short_name": "WCI",
  "icons": {
    "128": "icon128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "all_frames": true,
      "js": [
        "cs.js"
      ]
    }
  ],
  "devtools_page": "devBg.html",
  "browser_action": {
    "default_title": "Web Code Injector",
    "default_icon": "icon128.png",
    "default_popup": "popup.html"
  },
  "permissions": [
    "downloads",
    "http://*/",
    "https://*/",
    "storage"
  ],
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'"
}