Extension
FactCheck Chrome Extension
Instant fact verification right in your browser – fight misinformation with one click
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
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