Examine source code of Quick Proxy (Burp / ZAP)

{
  "manifest_version": 2,
  "name": "Quick Proxy (Burp / ZAP)",
  "version": "1.3.2",
  "description": "Modifie la configuration proxy du navigateur pour activer/désactiver l'utlisation d'un proxy tel que Burp Suite ou OWASP ZAP avec leurs paramètres par défaut",
  "icons": {
    "48": "icons/quickproxy-gray.png"
  },
  "browser_action": {
    "default_icon": {
      "48": "icons/quickproxy-gray.png"
    },
    "default_title": "No Proxy. Activate it?"
  },
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "91.1.0"
    }
  },
  "background": {
    "scripts": [
      "quickproxy.js"
    ]
  },
  "permissions": [
    "browserSettings",
    "proxy",
    "<all_urls>",
    "storage"
  ]
}