OP describes drag-and-drop creation of *.url files in Windows:
[InternetShortcut]
URL=https://www.afewthingz.com/browserbookmark
In macOS, selecting URLs and dragging to Finder creates *.webloc files: <?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>URL</key>
<string>https://afewthingz.com/browserbookmark</string>
</dict>
</plist>