Back up WhatsApp chat

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "Back up WhatsApp chat",
  "description": "Download your WhatsApp backup from WhatsApp Web.",
  "version": "1.0.7",
  "action": {
    "default_popup": "popup.html",
    "default_title": "Back up WhatsApp chat"
  },
  "permissions": [],
  "host_permissions": [
    "https://web.whatsapp.com/"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "js/getData.js",
        "js/progressBar.js",
        "js/logData.js"
      ],
      "matches": [
        "https://web.whatsapp.com/*"
      ]
    }
  ],
  "content_scripts": [
    {
      "css": [
        "css/progressBar.css"
      ],
      "js": [
        "js/index.js",
        "js/libs/FileSaver.min.js",
        "js/libs/jszip.min.js",
        "js/libs/dayjs.min.js"
      ],
      "matches": [
        "https://web.whatsapp.com/*"
      ]
    }
  ],
  "icons": {
    "128": "assets/logo.png"
  }
}