Examine source code of Fillnex

{
  "manifest_version": 2,
  "name": "Fillnex",
  "version": "2.2.0",
  "description": "Fill any web form automatically using saved profiles. Supports bulk campaigns, Form Replay, 2Captcha CAPTCHA solving, and AI-assisted field filling across all websites.",
  "browser_specific_settings": {
    "gecko": {
      "id": "fillnex@fillnex.com",
      "strict_min_version": "91.1.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": []
      }
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "activeTab",
    "contextMenus",
    "proxy",
    "webRequest",
    "<all_urls>",
    "https://2captcha.com/*",
    "alarms"
  ],
  "browser_action": {
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon16.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": true
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "commands": {
    "fill-form": {
      "suggested_key": {
        "default": "Alt+F"
      },
      "description": "Fill the current form"
    },
    "start-recording": {
      "suggested_key": {
        "default": "Alt+R"
      },
      "description": "Start / Stop macro recording"
    },
    "replay-macro": {
      "suggested_key": {
        "default": "Alt+P"
      },
      "description": "Replay last macro"
    }
  },
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "homepage_url": "https://fillnex.com",
  "developer": {
    "name": "Fillnex Team",
    "url": "https://fillnex.com"
  },
  "privacy_policy": "https://fillnex.com/privacy-policy/"
}