The AI Humanizer Editor that rewrites, not just rephrases
A full-featured editor — not a one-paste tool. Humanize ChatGPT, Claude and Gemini text with tone, purpose, and language controls, in a workspace built to keep you writing.
No credit card required · 300 free credits
Humanize AI Writing in 3 Simple Steps
Transform AI-generated content into natural, human-like text that bypasses detection
Your Text
Paste your AI-generated text here
Paste Your AI-Generated Text
Copy any content — assignments, blog posts, or AI-generated text.
Result
Check AI Score
See how much of your text is flagged as AI-written by detection systems.
Edit or review selection
Use AI to do more
Humanize & Improve selection
Transform your text to sound 100% human-written. Select any text to improve, fix the grammar, shorten, or lengthen it.
Benefits
Why writers pick this over a one-click tool
Tone & purpose controls
Pick casual, formal, or academic. SupWriter rewrites AI output to match your voice — not a generic middle lane.
Humanize in 29 languages
From Spanish and French to Arabic and Hindi, rewrite AI text without switching tools.
Inline AI detection
Run a detector on your humanized output without leaving the editor.
Drafts that stay saved
Every humanize saves to your private history. Reopen any draft and keep editing.
Tested and Proven Across All AI Detectors
We test every rewrite against leading detection tools like GPTZero, Turnitin, ZeroGPT, and more. Our system is updated weekly to adapt to new detection methods and eliminate flagged patterns.
99%success rate across all major detection platforms
SupWriter vs. Other AI Humanizers
See why SupWriter consistently ranks as the most effective humanizer for avoiding AI detection, preserving tone, and optimizing readability.
| Features | SupWriter | Other Humanizers | Free Tools |
|---|---|---|---|
| Human Score | 99%+ | 85% | 90% |
| Turnitin | |||
| GPTZero | |||
| Originality.ai | |||
| Multilingual Support | 100+ Languages | English Only | 5 Languages |
| Built-in AI Detector | |||
| Plagiarism-Free Output | |||
| Meaning Preservation | High | Medium | Medium |
| Processing Speed | Fast (<25s) | Slow (2+ min) | Medium (1 min) |
| Fix Selection | |||
| Free Trial | 300 Words | 100 Words | No Trial |
| Buy Extra Credits |
Reviews
What our users say
Thousands of writers trust SupWriter every day
I've been using SupWriter for weeks, and it's become essential to my academic writing and research workflow. As a Ph.D. student in environmental law, I'm constantly drafting, refining, and translating complex texts, and SupWriter makes the whole process far more efficient and less stressful.
It's so great and I love this app. Everyone should use it. It helped me pass my essay!
I really like this app. It rephrases my text so well that Turnitin doesn't pick it up. Pretty amazing.
What impressed me most is how seamlessly SupWriter polishes my drafts. My clients noticed the difference in quality and tone immediately.
Absolutely wonderful. The best AI humanizer I've used, especially for scientific writing.
This tool lets me do so many things faster, and its features are genuinely useful.
Really good. I didn't expect it to be this great. It genuinely enhanced my writing. Give it a try.
This product is so good. I'll choose it over and over again. It has my heart. ❤️
The Fix Selection feature is a game changer. I can select any text and improve it, fix the grammar, or make it shorter, and my content workflow has never been faster.
Excellent service, really helpful for job applications, and it even has an AI detector. I'd highly recommend it to students, professors, and writers. An amazing writing tool.
It was amazing. I upgraded, and since then my work has consistently scored high marks.
The best humanizer ever.
It was great, especially in a foreign language. It helped the adjectives come out smoother than I expected!
I'm on the Ultra Monthly plan and bought $20 in extra credits. This platform is super good, and I'm planning to switch to the Yearly plan soon.
Precisely written and a very nice app. I recommend everyone give it a try.
I was amazed to see the AI-flagged text identified so accurately. It really helps crack down on AI interventions.
My professor commended the uniqueness of my essay after I used SupWriter to make it sound natural. Strongly recommended for students!
The website is fantastic. It's clean, modern, and visually appealing. Navigation is intuitive, pages load fast, and everything works well on desktop and mobile. A smooth, enjoyable experience. I'm really impressed!
Really, the only one that passed the YouScan detector.
It's been a great tool to use, and very helpful.
My experience with the AI detector was great. The interface is simple and easy to navigate, and results came back quickly with useful detail.
This experience has been amazing, and the service is extremely helpful.
My experience was amazing. SupWriter is very easy to use, and it actually works!
Impressed by the quality, and cheaper than other platforms.
SupWriter is great. It helps me become a better writer and a better student overall.
FAQ
AI Humanizer Editor — common questions
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