Examine source code of Storage Explorer

{
  "manifest_version": 3,
  "default_locale": "en",
  "name": "Storage Explorer",
  "browser_specific_settings": {
    "gecko": {
      "id": "localstorageexplorer@example.com",
      "strict_min_version": "128.0"
    }
  },
  "version": "0.13.1",
  "description": "Easily view, copy or search local storage content from any webpage by clicking on the extension icon.",
  "optional_host_permissions": [
    "https://*/*",
    "http://*/*"
  ],
  "permissions": [
    "storage",
    "tabs",
    "activeTab"
  ],
  "optional_permissions": [
    "scripting",
    "cookies"
  ],
  "action": {
    "default_popup": "popup/index.html",
    "default_icon": "icon32.png",
    "default_title": "Storage Explorer"
  },
  "chrome_url_overrides": {},
  "icons": {
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "*.js",
        "*.css",
        "*.svg",
        "icon128.png",
        "icon32.png"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  }
}