Base 64 Decode

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "$schema": "https://json.schemastore.org/chrome-manifest",
  "name": "Base 64 Decode",
  "version": "1.0.0",
  "description": "Add a right-click option to base64 decode text",
  "permissions": [
    "activeTab",
    "contextMenus"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "background": {
    "service_worker": "background.js",
    "module": true
  },
  "icons": {
    "16": "assets/icon_16.png",
    "32": "assets/icon_32.png",
    "48": "assets/icon_48.png",
    "128": "assets/icon_128.png"
  },
  "manifest_version": 3
}