PayPal Fee Calculator

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 3,
  "name": "PayPal Fee Calculator",
  "version": "0.3.1",
  "description": "A most simple and beautiful PayPal fee calculator",
  "host_permissions": [
    "https://*.paypal.com/*"
  ],
  "action": {
    "default_icon": {
      "16": "extension/icon-16.png",
      "48": "extension/icon-48.png",
      "128": "extension/icon-128.png"
    },
    "default_title": "Open PayPal Fee Calculator",
    "default_popup": "index.html"
  },
  "icons": {
    "16": "extension/icon-16.png",
    "48": "extension/icon-48.png",
    "128": "extension/icon-128.png"
  },
  "author": "Ignacio Zsabo"
}