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FactCheck Chrome Extension
Instant fact verification right in your browser - fight misinformation with one click
✅ Fact Check Complete×
3 claims verified • 98% accuracy
✓Claim 1 verified
×Claim 2 false
Core Capabilities
One-Click Verification
Instantly fact-check any webpage with a single click on the extension icon
Automatic Claim Detection
AI automatically identifies and highlights checkable claims on any page
Confidence Scores
See detailed accuracy ratings and confidence levels for each verified claim
Source Citations
View original sources, references, and fact-checking methodology
YouTube Integration
Fact-check YouTube videos with automatic transcript extraction and analysis
PDF Analysis
Verify claims in PDF documents directly from your browser
Advanced Features
Real-Time Analysis
Get instant results with under 3 second response times
Multi-Source Verification
Cross-references claims against multiple trusted databases and sources
Visual Indicators
Color-coded highlights show verified (green), false (red), and partial (yellow) claims
Usage Analytics
Track your fact-checking history and see personal statistics
Auto-Update
Automatic updates ensure you always have the latest fact-checking capabilities
Privacy Protection
No tracking, no data collection - your browsing stays private
AI-Powered Technology
GPT-5 Integration
Powered by OpenAI's most advanced language model for accurate analysis
Claude 4.5 Support
Anthropic's Claude provides nuanced fact analysis and verification
Brave Search API
Real-time web search ensures the most current information
Custom AI Pipeline
Optimized processing pipeline for maximum speed and accuracy
Model Selection
Choose between different AI models based on your subscription tier
Smart Routing
Automatically selects the best AI model for each type of content
Browser Integration
Context Menu
Right-click any text to fact-check selected content instantly
Keyboard Shortcuts
Use Alt+F to quickly trigger fact-checking on any page
Toolbar Badge
See at-a-glance fact-check status with color-coded badge indicators
Notifications
Get desktop notifications when fact-checks are complete
Local Storage
Save fact-check results locally for offline viewing
Sync Across Devices
Your settings and history sync across all your Chrome browsers
Quick Installation Guide
1
Add Extension
Click "Add to Chrome" and confirm installation
2
Pin to Toolbar
Pin the FactCheck icon for quick access
3
Sign In
Connect your account to unlock all features
4
Start Checking
Click the icon on any page to begin fact-checking