New MCP & Developer API
Claude
OpenAI

Make AI text sound human and undetectable.

El humanizador de IA de SupWriter es una herramienta gratuita que combina humanizaciĂłn de texto de IA y verificaciĂłn de IA en un solo lugar. Reescribe texto generado por ChatGPT, Claude y Gemini en contenido natural con sonido humano, y luego le permite verificarlo contra patrones comunes de detecciĂłn de IA utilizados por herramientas como Turnitin, GPTZero y Originality.

No se requiere tarjeta de crédito

JKSMALRWMC

Loved by 10,000+ writers worldwide

Your Text
Style
Type
Lang
or
0 / 500 words

Con la confianza de más de 10K estudiantes, investigadores y redactores de contenido en todo el mundo

Stanford University logo
Vellore Institute of Technology logo
UC Berkeley logo
Thammasat University logo
Harvard University logo
Ateneo de Manila logo
Stanford University logo
Vellore Institute of Technology logo
UC Berkeley logo
Thammasat University logo
Harvard University logo
Ateneo de Manila logo
Princeton University logo
SRM Institute of Science & Technology logo
Columbia University logo
The University of Western Australia logo
University of Oregon logo
University of Leeds logo
Princeton University logo
SRM Institute of Science & Technology logo
Columbia University logo
The University of Western Australia logo
University of Oregon logo
University of Leeds logo

Built for Cada Escritor

Desde trabajos académicos hasta comunicaciones empresariales, SupWriter transforma texto generado por IA en escritura auténtica que refleja su voz. Nuestro humanizador se adapta a su industria y caso de uso, ofreciendo resultados naturales en todo momento.

Students

Escriba de forma natural, entregue con confianza

Transform your AI-assisted drafts into authentic academic writing. SupWriter helps you maintain your unique voice while ensuring your essays, research papers, and assignments read naturally and pass institutional AI screening tools.

Más información

SEO & Content Teams

Escale contenido sin la huella de IA

Produce high-volume content that reads like it was crafted by your best writers. SupWriter transforms AI drafts into engaging, human-quality copy that builds reader trust and aligns with search engine quality guidelines.

Más información

Business Professionals

Suene profesional, no robĂłtico

From client proposals to internal memos, ensure every business communication reflects your professional voice. SupWriter refines AI-generated text so your emails, reports, and presentations connect authentically with your audience.

Más información

Educators & Trainers

Cree materiales de curso atractivos

Develop lesson plans, training guides, and educational content that resonates with learners. SupWriter helps you transform AI-assisted materials into warm, engaging resources that feel personally crafted for your students.

Más información

Legal & Compliance

PrecisiĂłn con autenticidad

Draft contracts, briefs, and legal documents that maintain precision while reading naturally. SupWriter ensures your AI-assisted legal writing preserves technical accuracy without sacrificing the authoritative tone clients expect.

Más información

Researchers & Scholars

Publique con confianza

Refine your research papers, grant proposals, and academic publications to meet rigorous scholarly standards. SupWriter helps ensure your AI-assisted writing maintains academic integrity while conveying your expertise clearly.

Más información

Explore más soluciones para creadores de contenido, freelancers y profesionales.

Everything in one tool

Write like a human. Pass every detector.

Humanize, detect, paraphrase and grammar-check in one workspace — plus an API and MCP connector to take it everywhere else.

Training samples
1.2M+

Training samples

Avg. rewrite
<5s

Avg. rewrite

Bypass rate
99%

Bypass rate

Monthly users
50K+

Monthly users

Advanced Editor

Everything in one workspace

Humanize, paraphrase, grammar-check and detect AI on one page — with your history and credits always in view.

AI Detection

Scored against 12 detectors

A sentence-level read on how likely Turnitin, GPTZero, Originality & others are to flag your text.

Humanization

Reads like a person wrote it

Rewrites ChatGPT, Claude & Gemini output to match your tone — with Beast Mode for a maximum-strength pass.

CasualFormalAcademicBeast Mode
Multilingual

100+ languages

Humanize, paraphrase and grammar-check in over 100 languages — from English and Hindi to Japanese and Arabic.

Paraphraser

Five ways to rephrase

Rewrite any sentence while keeping its meaning — pick the mode that fits your audience.

Grammar

Three grammar modes

Basic, Thorough or Style — from a quick spell-check to a full readability rewrite.

Content types

16 content types

Tuned for essays, emails, blog posts, research papers, cover letters and more.

MCP & API

Use SupWriter inside your AI tools

Humanize, detect, paraphrase and grammar-check without leaving the apps you already use.

  • Add SupWriter as an MCP connector in Claude & ChatGPT
  • Use it in Cursor, VS Code & any MCP client
  • Or call the REST API from your own code
Claude
OpenAI
Inline AI

Fix any selection inline

Highlight any sentence to improve it, fix grammar, or shorten — right where you write.

Probado y Comprobado en Todos los Detectores de IA

Probamos cada reescritura contra herramientas de detección líderes como GPTZero, Turnitin, ZeroGPT y más. Nuestro sistema se actualiza semanalmente para adaptarse a nuevos métodos de detección y eliminar patrones marcados.

ZeroGPT logo
ZeroGPT
Copyleaks logo
Copyleaks
Turnitin logo
Turnitin
QuillBot logo
QuillBot
GPTZero logo
GPTZero
GrammarlySaplingOpenAIClaudeGeminiGrok

99%tasa de éxito en todas las principales plataformas de detección

SupWriter vs. Otros Humanizadores de IA

Descubra por qué SupWriter se posiciona constantemente como el humanizador más efectivo para evadir la detección de IA, preservar el tono y optimizar la legibilidad.

CaracterĂ­sticasSupWriterOther HumanizersFree Tools
Human Score99%+85%90%
Turnitin
GPTZero
Originality.ai
Multilingual Support100+ LanguagesEnglish Only5 Languages
Built-in AI Detector
Plagiarism-Free Output
Meaning PreservationHighMediumMedium
Processing SpeedFast (<25s)Slow (2+ min)Medium (1 min)
Fix Selection
Free Trial300 Words100 WordsNo Trial
Buy Extra Credits

Reviews

Lo Que Dicen Nuestros Usuarios

Miles de escritores confĂ­an en SupWriter cada dĂ­a

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.

HE
Henrry
Ph.D. Candidate

It's so great and I love this app. Everyone should use it. It helped me pass my essay!

BH
Braxton H.

I really like this app. It rephrases my text so well that Turnitin doesn't pick it up. Pretty amazing.

CD
Chyenne D.
Student

What impressed me most is how seamlessly SupWriter polishes my drafts. My clients noticed the difference in quality and tone immediately.

BL
Brandon L.
Freelancer

Absolutely wonderful. The best AI humanizer I've used, especially for scientific writing.

PB
Phoebe B.
Student

This tool lets me do so many things faster, and its features are genuinely useful.

KA
Karima

Really good. I didn't expect it to be this great. It genuinely enhanced my writing. Give it a try.

CA
Chris A.
Researcher

This product is so good. I'll choose it over and over again. It has my heart. ❤️

Rachel A.
Rachel A.
Student

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.

AM
Aisha M.
Content Writer

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.

SW
Shania W.

It was amazing. I upgraded, and since then my work has consistently scored high marks.

EH
Enzo H.
Student

The best humanizer ever.

Nikolay
Nikolay

It was great, especially in a foreign language. It helped the adjectives come out smoother than I expected!

Christina P.
Christina P.
Writer

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.

RO
Ron
Ultra plan user

Precisely written and a very nice app. I recommend everyone give it a try.

RS
Riya S.
Student

I was amazed to see the AI-flagged text identified so accurately. It really helps crack down on AI interventions.

Radhakrishnan
Radhakrishnan

My professor commended the uniqueness of my essay after I used SupWriter to make it sound natural. Strongly recommended for students!

MD
Marco D.
Student

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!

KO
Korsmann
Student

Really, the only one that passed the YouScan detector.

MF
Mariana F.
Teacher

It's been a great tool to use, and very helpful.

AD
Adrianne

My experience with the AI detector was great. The interface is simple and easy to navigate, and results came back quickly with useful detail.

KA
Kareem
Student

This experience has been amazing, and the service is extremely helpful.

MA
Marshall

My experience was amazing. SupWriter is very easy to use, and it actually works!

DF
Domenico F.
Student

Impressed by the quality, and cheaper than other platforms.

ST
Steve

SupWriter is great. It helps me become a better writer and a better student overall.

KL
Kal
Student

Preguntas Frecuentes

Preguntas comunes sobre SupWriter

SupWriter utiliza algoritmos avanzados de IA entrenados con millones de muestras de texto para reescribir su contenido. Analiza los patrones que los detectores de IA identifican y reestructura las oraciones para que suenen más humanas, preservando el significado y la intención original.
Comience Hoy

ÂżListo para Escribir con Confianza?

Únase a miles de estudiantes e investigadores que confían en nuestra herramienta de reescritura con IA para crear contenido auténtico e indetectable.

Sin tarjeta de crédito • Plan gratuito disponible • Cancele cuando quiera