Wolfram|Alpha (Official)

manifest.json

{
  "name": "Wolfram|Alpha (Official)",
  "version": "1.0",
  "description": "Instantly query Wolfram|Alpha from any page or tab.",
  "omnibox": {
    "keyword": "="
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "browser_action": {
    "default_icon": "images/icon48.png",
    "default_title": "Wolfram|Alpha",
    "default_popup": "src/wolframalpha.html"
  },
  "background": {
    "scripts": [
      "src/background.js",
      "src/jquery-1.7.2.min.js"
    ]
  },
  "permissions": [
    "contextMenus",
    "tabs",
    "https://*.wolframalpha.com/*",
    "*://wal.wolfram.com/*"
  ],
  "manifest_version": 2,
  "update_url": "https://edge.microsoft.com/extensionwebstorebase/v1/crx"
}