Examine source code of View Page Source - HTML Viewer

{
  "manifest_version": 2,
  "name": "View Page Source",
  "version": "1.2.0",
  "description": "__MSG_extDescription__",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "view-page-source@view-page-source.com",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "websiteActivity"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "storage",
    "https://www.view-page-source.com/*"
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    },
    "default_title": "View Page Source",
    "default_popup": "popup/popup.html"
  },
  "options_ui": {
    "page": "options/options.html",
    "browser_style": false
  },
  "background": {
    "scripts": [
      "background.js"
    ],
    "persistent": false
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "commands": {
    "view-source": {
      "suggested_key": {
        "default": "Ctrl+Shift+Y",
        "mac": "Command+Shift+Y"
      },
      "description": "__MSG_cmdSource__"
    },
    "view-seo": {
      "description": "__MSG_cmdSeo__"
    },
    "view-social": {
      "description": "__MSG_cmdSocial__"
    },
    "view-extract": {
      "description": "__MSG_cmdExtract__"
    }
  }
}