Excel to Google Sheets

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Excel to Google Sheets",
  "version": "1.3",
  "description": "Convert an Excel or CSV file into Google Sheets by dragging and dropping it into your browser",
  "manifest_version": 3,
  "action": {
    "default_title": "Excel to Google Sheets",
    "default_popup": "popup.html"
  },
  "permissions": [
    "identity"
  ],
  "background": {
    "service_worker": "background.js"
  },
  "icons": {
    "16": "images/icons8-google-sheets-16.png",
    "32": "images/icons8-google-sheets-32.png",
    "48": "images/icons8-sheets-48.png",
    "128": "images/icons8-google-sheets-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  },
  "oauth2": {
    "client_id": "636721172421-6jlmo515qgn2u143dfjb1fj14j2thl8r.apps.googleusercontent.com",
    "scopes": [
      "https://www.googleapis.com/auth/drive.file"
    ]
  }
}