Examine source code of CSV to JSON Popup

{
  "manifest_version": 2,
  "name": "CSV to JSON Popup",
  "version": "1.0",
  "description": "Paste CSV and convert it to JSON in the popup.",
  "browser_action": {
    "default_popup": "popup.html",
    "default_icon": "icon.png",
    "default_title": "CSV to JSON"
  },
  "permissions": [],
  "icons": {
    "48": "icon.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{74111e63-7031-4ccc-ba23-b9c2523e60cd}"
    }
  }
}