Examine source code of Nixxer

{
  "manifest_version": 2,
  "name": "Nixxer",
  "version": "1.1.0",
  "description": "Comprehensive web tracking protection with intelligent network-level blocklist management. Blocks Google Analytics, Facebook tracking, Adobe Analytics, session recording, and more.",
  "permissions": [
    "cookies",
    "storage",
    "tabs",
    "activeTab",
    "webRequest",
    "webRequestBlocking",
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "exclude_matches": [
        "*://localhost/*",
        "*://127.0.0.1/*",
        "file:///*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "browser_action": {
    "default_popup": "popup.html",
    "default_title": "Nixxer - Web Tracking Protection",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@nixxer.io",
      "strict_min_version": "91.0"
    }
  },
  "author": "Chris Leonard",
  "homepage_url": "https://www.nixxer.io",
  "developer": {
    "name": "Chris Leonard",
    "url": "https://github.com/lenwood"
  }
}