Examine source code of Text To Binary

{
  "manifest_version": 2,
  "name": "Text To Binary",
  "version": "1.0",
  "description": "Converts ASCII characters into their equivalent binary representation and vice versa.",
  "browser_action": {
    "default_popup": "index.html",
    "default_title": "Text To Binary",
    "default_icon": {
      "16": "icon/16.png",
      "32": "icon/32.png",
      "128": "icon/128.png"
    },
    "theme_icons": [
      {
        "dark": "icon/16-light.png",
        "light": "icon/16.png",
        "size": 16
      },
      {
        "dark": "icon/32-light.png",
        "light": "icon/32.png",
        "size": 32
      }
    ]
  },
  "icons": {
    "16": "icon/16.png",
    "32": "icon/32.png",
    "128": "icon/128.png"
  }
}