SupWriter

An AI humanizer that rewrites machine-generated drafts into natural, human-sounding text that passes detectors like Turnitin, GPTZero, and Originality.ai.

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SupWriter turns robotic AI drafts into writing that reads naturally human. Paste text generated by ChatGPT or any other model, pick a style, and it rewrites the draft with better flow, tone, and grammar while keeping your meaning intact. A built-in detection check covers Turnitin, GPTZero, and Originality.ai. Students, marketers, and founders use it on the web, mobile, Chrome extension, or via the API and MCP server for AI agents. Free plan included; paid plans start at $9.99/month.

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AI humanizer