It's a Small World

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "It's a Small World",
  "description": "The tool shows us the opposite words of the keyword we search for on Google and encourage to see a wide range of opinions.",
  "version": "1.2.0",
  "manifest_version": 3,
  "host_permissions": [
    "https://www.google.com/search?*"
  ],
  "icons": {
    "16": "images/human_purple16.png",
    "48": "images/human_purple48.png",
    "128": "images/human_purple128.png"
  },
  "action": {
    "default_icon": "images/human_purple48.png",
    "default_popup": "popup.html",
    "default_title": "It's a small world"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.google.com/search?*"
      ],
      "js": [
        "search.js"
      ]
    }
  ]
}