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Proof
New: V3 Rewrite Engine is live

Make AI writing sound natural, polished, and personal.

The world's most advanced AI detector and rewriting engine designed to keep your unique voice authentic while removing robotic patterns and preserving your voice.

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89% Natural
Clarity High
AI Markers Low

Trusted by modern teams at

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Moving beyond robotic AI outputs.

AI detectors are getting smarter. Ensure your content passes as human, every single time.

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Avoid Penalties

Protect your SEO rankings and academic integrity from aggressive AI filtering algorithms.

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Restore Human Flow

Convert repetitive AI sentence structures into engaging, rhythmic prose that hooks readers.

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Keep Your Voice

Our engine learns your specific style preferences to keep edits authentic to your brand.

Powerful tools for high-stakes content.

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Free Detector

Multi-model analysis to flag even the subtlest AI patterns.

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Rewrite Engine

Proprietary logic that restructures text while saving meaning.

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Side-by-Side

Direct visual comparison of your original vs. improved text.

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Tone Controls

Adjust between Professional, Casual, Academic, or Creative.

Product interface

Polished content in seconds.

1

Paste Content

Input any AI-generated text from GPT, Claude, or Gemini.

2

Analyze

Get a deep-scan report of AI probability and readability scores.

3

Rewrite

Apply one-click "Humanize" to transform your output instantly.

Simple, transparent pricing.

Start for free, upgrade when you need heavy-duty volume. No hidden fees.

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Pro Monthly
£24.99 /mo
  • done Unlimited AI Detection
  • done 50,000 Rewrite Words /mo
  • done Priority V3 Engine Access

Ready to sound human?

Join 50,000+ writers who trust Proof for their most important work.