Update 18/08/2026: StealthWriter can now remove the Claude watermark from AI-generated text
Everything you need to know about StealthWriter.
StealthWriter is an AI text humanizer and detector. It takes AI-generated content from tools like ChatGPT, Claude, or Gemini and rewrites it so it reads as naturally human-written.
Anyone who uses AI to write — students, bloggers, marketers, copywriters, researchers, and professionals. If you need your AI-assisted content to read naturally and sound authentically human, StealthWriter is built for you.
Yes. StealthWriter is specifically designed to produce human-quality writing that reads naturally. You can verify results instantly using the built-in AI detector before and after humanizing — no guesswork required.
Any AI-generated text — ChatGPT (GPT-4, GPT-4o), Claude, Gemini, Llama, Mistral, Copilot, Jasper, and more. If an AI wrote it, StealthWriter can humanize it.
No. StealthWriter produces clean, grammatically correct output. The humanized text reads naturally — no typos, no broken sentences, no robotic phrasing. It's polished and ready to use as-is.
No. StealthWriter generates original rewrites — it doesn't copy from existing sources. The output is unique to your input, so it won't trigger plagiarism detectors.
StealthWriter preserves your original meaning and key points. Lower levels (1–3) make minimal changes, while higher levels (7–10) rewrite more heavily. You can always click individual sentences to choose alternative phrasings you prefer.
No. Text you submit for humanization or scanning is not stored after processing is complete. We don't save your content, share it with third parties, or use it for training. Your writing stays yours.
StealthWriter is a paraphrasing and rewriting tool. The output is original, plagiarism-free text that you own. How you use it is up to you — but the tool itself is no different from any other writing assistant. Always follow your institution's or employer's policies on AI-assisted writing.
Yes. StealthWriter is continuously updated to ensure your humanized content stays natural and high-quality as writing standards evolve.
Most humanizers produce awkward, error-filled text. StealthWriter delivers clean, natural output in under 10 seconds, with a built-in detector to verify results, sentence-level fine-tuning, and multiple rewrite levels. You don't have to guess — you can see the score before and after.
Yes. StealthWriter supports many languages beyond English — including Spanish, French, German, Italian, Portuguese, Dutch, and more. Use Ghost 5.2 Mini on Free, or upgrade to access Ghost 5.2 Pro for stronger humanization.
No. StealthWriter is a web app — it works directly in your browser on any device. No downloads, no extensions, no plugins. Just sign up and start humanizing.
Yes. StealthWriter is fully responsive and works in any modern browser on desktop, tablet, and mobile. No app download required.
Not at this time. StealthWriter is a web-only tool — there is no public API. An API may be offered in the future.
Not yet. StealthWriter is a web app you use directly in your browser. A browser extension is on our roadmap for the future.
Not at all. Just paste your AI-generated text, choose a rewrite level, and click Humanize. Your humanized text is ready in seconds. It's as simple as copy and paste.
Yes! Join our Discord server at https://discord.gg/stealthwriter to get help, share feedback, and stay updated on new features.