Whatsapp Content Block

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Whatsapp Content Block",
  "version": "1.0.3",
  "description": "Allows you to block media in WhatsApp web to avoid NSFW content.",
  "manifest_version": 2,
  "permissions": [
    "https://web.whatsapp.com/",
    "declarativeContent",
    "storage",
    "webNavigation"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://*.whatsapp.com/"
      ],
      "css": [
        "css/main.css"
      ],
      "js": [
        "js/main.js"
      ],
      "run_at": "document_start"
    }
  ],
  "icons": {
    "16": "assets/icons/icon16.png",
    "48": "assets/icons/icon48.png",
    "128": "assets/icons/icon128.png"
  },
  "browser_action": {
    "default_icon": "assets/icons/icon16.png"
  },
  "background": {
    "scripts": [
      "js/menu.js"
    ],
    "persistent": false
  }
}