Font Identifier by WhatFontIs

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Font Identifier by WhatFontIs",
  "version": "2.5.3",
  "description": "Identify any Webfont or font (commercial or free) from any website.",
  "browser_action": {
    "default_icon": "img/logo.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>",
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "resources/jquery-3.3.1.min.js",
        "resources/html2canvas.min.js",
        "content.js"
      ],
      "css": [
        "content.css"
      ]
    }
  ],
  "web_accessible_resources": [
    "content.html",
    "img/*"
  ],
  "icons": {
    "16": "img/logo16.png",
    "32": "img/logo32.png",
    "48": "img/logo48.png",
    "64": "img/logo.png",
    "128": "img/logo128.png"
  },
  "manifest_version": 2,
  "content_security_policy": "script-src 'self' https://ssl.google-analytics.com; object-src 'self'",
  "background": {
    "page": "background.html",
    "persistent": true
  },
  "permissions": [
    "contextMenus",
    "<all_urls>",
    "storage",
    "https://www.whatfontis.com/*"
  ]
}