The Best Chrome AI Humanizer Extension
Trusted by students, content creators, and professionals worldwide. SupWriter's Chrome extension delivers the highest bypass rate of any browser-based AI humanizer — 98%+ across Turnitin, GPTZero, and every major detector.
Free to install - Starts with 300 credits
What Sets SupWriter Apart From Other Extensions
Not all AI humanizer extensions are created equal — here's why SupWriter leads the category
Deep Pattern Rewriting vs. Synonym Swaps
Cheap extensions just replace words with synonyms. SupWriter rewrites sentence cadence, paragraph rhythm, and vocabulary distribution — the actual signals that Turnitin and GPTZero analyze.
Dual Humanizer + Detector in One Extension
Other tools make you install separate extensions for humanizing and detecting. SupWriter bundles both into a single lightweight extension — humanize, then verify, all in one popup.
Handles Every AI Model's Fingerprint
ChatGPT, Claude, Gemini, Copilot, and Llama each leave distinct patterns. SupWriter identifies which model generated your text and targets its specific detection signatures.
Always Up-to-Date Against New Detectors
When Turnitin releases a new algorithm or GPTZero improves its model, SupWriter's engine is updated within days — not months. Your extension always stays ahead.
Built for Every Type of Writer
From college essays to enterprise marketing — SupWriter adapts to your writing needs
Students
Humanize AI-drafted essays, research papers, and assignments to pass Turnitin and academic detectors with confidence.
Content Writers
Transform AI blog drafts into engaging articles with a genuine voice that readers trust and Google rewards.
SEO Professionals
Scale content production while keeping every page undetectable, maintaining E-E-A-T signals for ranking.
Business Teams
Polish AI-drafted proposals, reports, and client deliverables into professional documents that reflect your expertise.
See Your Human Score Before You Submit
SupWriter's built-in detector gives you a clear verdict before you submit anything. Check against Turnitin, GPTZero, Originality.ai, and 9 more detectors — all from the same extension popup. No need for separate tools or websites.
Try It Free
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
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.
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