AI Detector Editor

AI Detector Editor — detect, then rewrite

Paste any text, get an AI score, see which sentences look AI-generated — then fix them in the same editor. Detection plus rewriting in one tool.

No credit card required · 300 free credits

Detect
142 / 1,500 words
EN · Casual
AI: 84%
Output

Humanize AI Writing in 3 Simple Steps

Transform AI-generated content into natural, human-like text that bypasses detection

Step 1

Your Text

Paste your AI-generated text here

Paste Your AI-Generated Text

Copy any content — assignments, blog posts, or AI-generated text.

Step 2

Result

0%
HUMAN WRITTEN

Check AI Score

See how much of your text is flagged as AI-written by detection systems.

Step 3
or select text & ask AI
Ask or type your prompt...

Edit or review selection

Improve writing
Fix grammar
Make shorter
Make longer

Use AI to do more

Continue writing

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

Sentence-level AI score

See which sentences look AI-generated, not just a blanket percentage. Fix the flagged ones inline.

Multi-detector consensus

Tuned against patterns used by Turnitin, GPTZero, Originality.ai, Copyleaks, Winston AI, and ZeroGPT.

One-click fix

Humanize the flagged text without leaving the editor. Re-check the score on the rewritten version.

Batch check

Check essays up to 3,000 words in a single run on the Ultra plan.

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.

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

98.7%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.

FeaturesSupWriter--
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

What Our Users Say

Thousands of writers trust SupWriter every day

FAQ

AI Detector Editor — common questions

SupWriter's detector is tuned against patterns used by Turnitin, GPTZero, Originality.ai, Copyleaks, Winston AI, ZeroGPT, and Sapling. The score is a probability estimate, not a verdict — treat it as a guide.
Get Started Today

Ready to Write with Confidence?

Join thousands of students and researchers who trust our AI-powered rewriting tool to create authentic, undetectable content.

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Instant Results
Under 5 Seconds
AI-Powered
1.2M+ Samples

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AI Detector Editor — Check & Fix AI Content | SupWriter