Examine source code of CSV Extractor

{
  "manifest_version": 2,
  "name": "CSV Extractor",
  "version": "3.5",
  "description": "Pull tables straight off a web page into clean CSV. Finds every table, respects merged cells, and exports via clipboard or file download with your choice of delimiter.",
  "icons": {
    "32": "graphics/icon-32.png",
    "48": "graphics/icon-48.png",
    "64": "graphics/icon-64.png",
    "96": "graphics/icon-96.png",
    "128": "graphics/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{8f53338e-3c5d-4d3a-854f-a363810a13f3}",
      "strict_min_version": "101.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_title": "CSV Extractor",
    "default_popup": "app/popup.html",
    "default_icon": {
      "32": "graphics/icon-32.png",
      "48": "graphics/icon-48.png",
      "64": "graphics/icon-64.png"
    }
  }
}