Examine source code of EzConvert Audio Trimmer

{
  "manifest_version": 3,
  "name": "EzConvert Audio Trimmer",
  "version": "1.0.0",
  "description": "Professional audio trimmer. Cut and trim any audio format locally without quality loss.",
  "author": "EzConvert",
  "homepage_url": "https://ezconvert.org",
  "permissions": [
    "downloads"
  ],
  "icons": {
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "action": {
    "default_title": "Open EzConvert Audio Trimmer"
  },
  "sidebar_action": {
    "default_title": "EzConvert Audio Trimmer",
    "default_panel": "popup.html",
    "default_icon": {
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "trimmer@ezconvert.org",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self';"
  }
}