Examine source code of ToolsApp - Web Developer & Quick Utilities

{
  "manifest_version" : 3 ,
  "name" : "ToolsApp Mini - 99+ Free Web Tools",
  "version" : "1.0.0",
  "description" : "Access 99+ free client-side utilities including VAT calculator, password generator, UUIDs, formatters, and converters directly from your browser toolbar.",
  "action" : {
    "default_popup" : "popup.html",
    "default_title" : "ToolsApp Mini"
  },
  "icons" : {
    "16" : "icon-16.png",
    "48" : "icon-48.png",
    "128" : "icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "toolsapp-mini@toolsapp.online",
      "strict_min_version": "109.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}