A powerful browser extension that helps users identify and understand cognitive biases in online content. Enhance your critical thinking skills by automatically detecting biased language patterns in articles, social media posts, and other web content.
- 12 Different Bias Types detected with high accuracy
- Real-time Analysis of web page content
- Context-aware Pattern Matching for precise detection
- Color-coded Highlighting for easy identification
- Live Statistics showing bias counts on current page
- Global Analytics across all visited sites
- Top Sites Dashboard showing most biased websites
- Historical Data tracking your browsing patterns
- Toggle Individual Biases on/off
- Multiple Highlight Styles (Enhanced, Underline, Background, Border)
- Color Legend for bias type identification
- Enable/Disable extension globally
- 100% Local Processing - no data sent to servers
- No User Tracking or data collection
- No Permissions beyond active tab access
- Open Source and transparent
Coming soon - extension under review
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Download or clone this repository
git clone https://github.com/mydemon21/cognitive-bias-detector.git
-
Open Chrome Extensions
- Navigate to
chrome://extensions/ - Enable "Developer mode" (top-right toggle)
- Navigate to
-
Load Extension
- Click "Load unpacked"
- Select the
cognitive-bias-detectorfolder - Extension will appear in your toolbar
- Click the extension icon in your browser toolbar
- Configure settings in the popup (all biases enabled by default)
- Visit any website and watch for highlighted biased content
- Hover over highlights to see bias explanations
- Check statistics in the extension popup
| Bias Type | Description | Example Patterns |
|---|---|---|
| 🔍 Confirmation Bias | Favoring information that confirms existing beliefs | "This clearly proves...", "As we've always known..." |
| 💭 Appeal to Emotion | Using emotions instead of logical reasoning | "This is terrifying...", "How would you feel if..." |
| ⚖️ False Dichotomy | Presenting only two options when more exist | "Either you're with us or against us" |
| 👑 Authority Bias | Excessive weight to authority opinions | "Experts say...", "According to authorities..." |
| 🐑 Bandwagon Effect | Adopting beliefs because others have | "Everyone knows...", "Most people believe..." |
| 🥊 Straw Man Fallacy | Misrepresenting arguments to attack them | "They claim that we should..." |
| 👤 Ad Hominem Attack | Attacking the person, not the argument | "He's just an idiot...", "Don't trust them..." |
| 🌪️ Spin Bias | Using vague language to control narrative | "Refused to comment...", "In a heated exchange..." |
| 📰 Sensationalism | Exaggerated language for attention | "BREAKING: Shocking revelation..." |
| 🎭 Subjective Qualifiers | Loaded adjectives influencing interpretation | "Disturbing trend...", "Serious allegations..." |
| 🔮 Mind Reading | Assuming others' thoughts without evidence | "He thinks that...", "They want to..." |
| 🔗 Flawed Logic | False correlations and connections | "This happened because of that..." |
The main extension popup showing bias detection statistics, settings, and color legend
Real-time bias detection highlighting different types of cognitive biases on web pages
Comprehensive analytics showing bias detection across different websites and time periods
Customizable settings allowing users to toggle specific bias types and highlighting styles
- Manifest V3 Chrome extension
- Content Script for page analysis
- Service Worker for background processing
- Local Storage for settings and statistics
- ✅ Chrome (Recommended)
- ✅ Edge (Chromium-based)
- ✅ Brave
- ✅ Opera
- ❌ Firefox (Manifest V2 version planned)
- Lightweight - minimal impact on page load times
- Efficient - processes only visible text content
- Non-blocking - runs asynchronously
- Memory-friendly - cleans up resources automatically
We welcome contributions! Please see our Contributing Guidelines for details.
- Fork the repository
- Clone your fork locally
- Make your changes
- Test thoroughly
- Submit a pull request
- Use the GitHub Issues page
- Include browser version and extension version
- Provide steps to reproduce the issue
- Include screenshots if applicable
This project is licensed under the MIT License - see the LICENSE file for details.
For security concerns, please see our Security Policy.
See CHANGELOG.md for a detailed history of changes.
- Inspired by the need for better critical thinking tools online
- Built with modern web extension APIs
- Thanks to all contributors and testers
- Issues: GitHub Issues
- Discussions: GitHub Discussions
- Email: [email protected]
Made with ❤️ for better critical thinking on the web