Editor AI Guard
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High AI Probability Repetitive / Low Burstiness Authentic Human Flow
Original (Pre-Humanized) --
Humanized (Natural Voice) --
0 characters 0 words Free Tier: 500 words
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Free AI Detector, Humanizer & Academic Integrity Studio

Detect AI-generated patterns in academic papers, humanize sentences instantly, and verify authorship with cryptographic certificates. Trusted by students, researchers, and institutions in 13 languages worldwide.

How It Works

Analyze, detect, and humanize AI-generated text in three simple steps — no account required.

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Paste or Upload Your Text

Copy and paste your academic text into the editor, or upload a PDF, DOCX, or TXT file. Supports manuscripts in 13 languages.

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AI Detection & Analysis

Our engine calculates Perplexity and Burstiness metrics to identify AI-generated patterns. An interactive color-coded heatmap highlights each sentence's probability.

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Humanize & Certify

Click any flagged sentence for instant humanization, or use 1-click full-text remediation. Export a QR-verifiable authenticity certificate for submission.

Interactive Walkthrough & Live Demo

See Editor AI Guard in Action

From detection to sentence-level heatmap and 1-click humanization in under 10 seconds.

Why Researchers Choose Editor AI Guard

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Transparent Probabilistic Scoring

No black-box verdicts. See exactly how each sentence scores on Perplexity and Burstiness metrics with a visual heatmap.

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Instant 1-Click Humanization

Transform AI-generated sentences into authentic human prose while preserving academic tone, meaning, and citation integrity.

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13 Languages Supported

Full detection and humanization in English, Arabic, Spanish, French, German, Turkish, Portuguese, Chinese, Japanese, Italian, Russian, Korean, and Hindi.

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Zero Data Retention

Your text is processed on Cloudflare edge workers in volatile memory. Nothing is stored, logged, or used for AI training. GDPR compliant.

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QR-Verifiable Certificates

Generate SHA-256 hashed authenticity certificates with QR codes for independent verification. Ideal for thesis and dissertation submissions.

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Detects All Major AI Models

Identifies patterns from ChatGPT, GPT-4o, Claude, Gemini, LLaMA, and other LLMs using model-agnostic linguistic analysis.

The Science of AI Detection: Perplexity & Burstiness

How probabilistic computational linguistics distinguish authentic human authorship from synthetic machine generation.

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1. Lexical Perplexity (Vocabulary Surprise)

Statistical Probability Metric

Perplexity measures how mathematically predictable a sequence of words is. Large Language Models (LLMs) calculate next-token probabilities and naturally gravitate toward average, formulaic word choices. Human authors demonstrate organic lexical surprise and idiosyncratic expression.

AI Text Low Perplexity: Highly predictable word pairings, flat vocabulary, repetitive connecting phrases.
Human Text High Perplexity: Rich contextual vocabulary, nuanced expressions, natural metaphorical variance.
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2. Structural Burstiness (Sentence Rhythm)

Cadence & Syntax Variance

Burstiness measures the variation in sentence length, structural complexity, and melodic rhythm across a document. While machines generate uniform, balanced sentences, human writers naturally burst with rhythmic diversity.

AI Text Low Burstiness: Monotonous sentence lengths (15–22 words average), symmetrical clauses, uniform pace.
Human Text High Burstiness: Dynamic cadence combining punchy short statements with expansive, intricate arguments.
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Why Transparent Linguistic Metrics Eliminate False Accusations

Unlike opaque black-box detectors like Turnitin that produce arbitrary percentage verdicts without evidence, Editor AI Guard visualizes exact mathematical metrics at the individual sentence level. This empowers researchers and students to defend authentic prose and refine writing cadence with total transparency.

1M+ Texts Analyzed
13 Languages
190+ Countries
99.2% Detection Accuracy

Frequently Asked Questions

How does Editor AI Guard detect AI-generated writing?

Editor AI Guard uses advanced linguistic analysis measuring Perplexity (vocabulary unpredictability) and Burstiness (sentence length variation). AI-generated text tends to have low perplexity and uniform sentence structure. Our interactive heatmap visualizes these patterns at the sentence level, helping you understand exactly which parts need attention.

Is Editor AI Guard better than Turnitin or GPTZero?

Editor AI Guard offers transparent, probabilistic scoring rather than opaque binary verdicts. Unlike Turnitin, it provides instant humanization, supports 13 languages natively, and offers a free tier without institutional licensing. It complements these tools by empowering writers to understand and improve their text.

Which AI models can Editor AI Guard detect?

Editor AI Guard detects patterns from all major large language models including ChatGPT (GPT-3.5/4/4o), Claude (Anthropic), Gemini (Google), LLaMA (Meta), Mistral, and others. Our detection uses model-agnostic statistical analysis rather than watermark detection, ensuring broad coverage.

How does the humanizer preserve academic meaning?

Our humanization engine restructures sentence patterns while maintaining semantic meaning, citation integrity, and academic tone. It introduces natural vocabulary variation, diverse sentence lengths, and organic transitions that mirror authentic human writing — without altering facts or arguments.

Is my text private and secure?

Absolutely. Editor AI Guard enforces a strict zero-retention policy. All text is processed in volatile memory on Cloudflare edge workers across 200+ global data centers. Nothing is stored, cached, or used for AI training. We are fully GDPR compliant.

What languages are supported?

Editor AI Guard supports 13 languages with full detection and humanization: English, Arabic (العربية), Spanish (Español), French (Français), German (Deutsch), Turkish (Türkçe), Portuguese (Português), Chinese (中文), Japanese (日本語), Italian (Italiano), Russian (Русский), Korean (한국어), and Hindi (हिन्दी).

Is Editor AI Guard free?

Yes! The free tier allows you to analyze up to 500 words per session with full AI detection, heatmap visualization, and the AI Writing Mentor. Pro plans unlock unlimited analysis, full-text humanization, verifiable certificate export, and an ad-free experience.

Instant Sentence Remediation