Examine source code of Youtube Tag Generator

{
  "name": "Youtube Tag Generator",
  "version": "1.0.0",
  "description": "Get Relevant Tags Recommendation For Free",
  "icons": {
    "16": "16.png",
    "19": "19.png",
    "38": "38.png",
    "48": "48.png",
    "128": "128.png"
  },
  "manifest_version": 2,
  "author": "Rahul",
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Youtube Tag Generator",
    "default_icon": "128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{e636ba86-58f8-40a3-b61a-05ded3a9ed69}"
    }
  }
}