What is SupWriter?
SupWriter rewrites AI-generated text so it sounds natural, polished, and human. It works with outputs from tools like ChatGPT, Claude, Gemini, DeepSeek, and Grok, then checks the result against AI detectors such as Turnitin, GPTZero, Copyleaks, and more. The product brings humanizing, paraphrasing, grammar checking, and AI detection into one workspace, with extra access through an API and MCP connector for Claude, OpenAI, Cursor, and VS Code. It supports over 100 languages and many content types, from essays and research papers to emails, blog posts, cover letters, and legal documents. SupWriter is aimed at students, writers, SEO teams, business professionals, educators, and researchers who want writing that keeps the original meaning while sounding more authentic.
Key features
- Humanizes AI text while preserving meaning and tone.
- Checks writing against major AI detectors automatically.
- Combines paraphrasing, grammar checking, and detection in one workspace.
- Supports over 100 languages for rewriting and editing.
- Offers API and MCP access for other AI tools.
- Provides inline editing to fix or shorten selections.
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