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🔬 Lexical 📝 Vocabulary 📊 Statistical ✏️ Grammar
URL to Analyse

Paste any article URL. We extract the text and run 200+ AI detection signals.

max URLs to scan

⚠ ~5 sec per URL — may take several minutes.

5–15 sec per analysis
Paste Text to Analyse 0 words
Instant analysis
Recent
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Is this content written by AI?

Paste a URL or text to find out instantly. AI Sentinel checks for the patterns AI writing tools leave behind — and shows you exactly what to change to make it undetectable.

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How much is AI?
Get a clear % score and verdict — Likely Human, Mixed, or Likely AI
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Find exact phrases
Every flagged word highlighted in your text with alternatives to replace it
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How to fix it
Step-by-step suggestions to rewrite flagged sections and pass any detector
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Scan entire websites
Use sitemap mode to check every page at once — great for SEO audits
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