Examine source code of Cryptonify

{
  "name": "__MSG_extensionName__",
  "version": "2.2.0.4resigned1",
  "author": "Marcel Carlé",
  "manifest_version": 2,
  "description": "__MSG_extensionDesc__",
  "homepage_url": "http://marcel-carle.de/software/cryptonify/",
  "icons": {
    "16": "icons/icon16.png",
    "19": "icons/icon19.png",
    "32": "icons/icon32.png",
    "38": "icons/icon38.png",
    "48": "icons/icon48.png",
    "64": "icons/icon64.png",
    "128": "icons/icon128.png"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "lib/jquery-3.1.0.min.js",
      "lib/bowser.min.js",
      "src/bg/background-helper.js",
      "src/js/log-helper.js",
      "lib/jsencrypt.min.js",
      "lib/sha512.js",
      "src/js/crypto-helper.js",
      "src/keys.js",
      "src/bg/background.js"
    ]
  },
  "browser_action": {
    "default_icon": {
      "19": "icons/icon19.png",
      "38": "icons/icon38.png"
    },
    "default_title": "__MSG_extensionName__",
    "default_popup": "src/popup/popup.html"
  },
  "permissions": [
    "tabs",
    "storage",
    "*://*/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "css": [
        "src/inject/inject.css"
      ],
      "js": [
        "lib/jquery-3.1.0.min.js",
        "src/js/log-helper.js",
        "src/inject/inject-helper.js",
        "src/inject/inject.js"
      ]
    }
  ],
  "web_accessible_resources": [
    "icons/icon128.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{8745cc64-e947-40d7-b5a5-3d7af14f4b02}"
    }
  }
}