Fallacy Detector

About

Detect cognitive biases and logical fallacies in news articles with AI-powered analysis.

Fallacy Detector uses Claude Sonnet 4 to analyze articles for 15 types of cognitive biases and logical fallacies, helping you read critically and identify misinformation.

✨ KEY FEATURES

- 15 Bias Types Detected: Ad Hominem, Strawman, False Dichotomy, Appeal to Emotion, Confirmation Bias, Cherry Picking, Loaded Language, and more

- Two Analysis Modes: Fast Mode (~6 seconds) for quick checks, Accurate Mode (~17 seconds) for precision

- Smart Detection: Distinguishes article bias from quoted sources, ignores ads and navigation

- Customizable: Select which bias types to check, save your preferences

- Easy to Use: Just highlight text, right-click "Check for Fallacies", get instant results

🎯 PERFECT FOR

Journalists, students, researchers, news readers, and anyone who wants to read critically and avoid misinformation.

🆓 FREE TO USE

No API key required! Just install and start analyzing. Completely free with no hidden costs.

🔒 PRIVACY FIRST

Your text is analyzed but not stored or logged. No tracking, no personal data collection. Full privacy policy available.

⚙️ HOW IT WORKS

1. Highlight article text on any website
2. Right-click → "Check for Fallacies"  
3. Get instant AI-powered analysis
4. See bias score (0-10) and specific fallacies
5. Upgrade to Accurate mode for precision