Examine source code of FBCLIDder

{
  "name": "FBCLIDder",
  "version": "1",
  "description": "Removes fbclid, gclid, utm_ query, and other nasty tracking parameters in URLs.",
  "icons": {
    "48": "icons/noFbclidUtmIcon.png"
  },
  "background": {
    "scripts": [
      "queryParamsRemover.js"
    ]
  },
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "http://*/*",
    "https://*/*"
  ],
  "manifest_version": 2
}