Open any modern writing platform and you'll find two shiny buttons that promise instant polish: "Rewrite" and "Humanize." At first glance, they sound interchangeable; both appear to refresh clunky prose with a single click. Yet, as every editor who has wrestled with an AI draft knows, they serve very different purposes. Understanding those differences will save you time, preserve your voice, and keep your readers convinced that a real person is talking to them.