YouTube Lens - AI Fact Checker

Fact check YouTube videos as you watch with AI transcription, live web evidence, clear verdicts, timestamps, and source links.

Fact check YouTube videos while you watch. YouTube AI Fact Checker listens to spoken content, identifies checkable claims, searches the web for relevant evidence, and shows clear verdicts with clickable source links beside the video. Start a check with one click and keep watching while results arrive. The extension is designed for news videos, podcasts, interviews, debates, documentaries, lectures, explainers, Shorts, and live streams where spoken claims deserve a closer look. Key features • Live transcription and claim detection for YouTube videos • AI analysis supported by current web evidence • Clear verdict cards with plain language explanations and direct source links • Multiple returned claims remain visible as separate results • Timestamps that connect a claim to the moment it was spoken • Speaker naming that keeps claim attribution clear in the transcript and results • A transcript panel for reviewing the captured discussion • History for completed video checks and source backed results • Trusted and blocked source preferences • Managed transcription, search, and AI with no provider keys or API setup How it works 1. Open a YouTube video, Short, or live stream. 2. Start and add the speaker name when attribution matters. 3. Keep watching while the extension transcribes spoken content and identifies factual claims. 4. Review the verdict, explanation, timestamp, and evidence links beside the video. This YouTube fact checker brings the research workflow into the video page. It helps viewers, students, researchers, journalists, and educators investigate viral claims, news commentary, interviews, podcasts, debates, and educational videos without repeatedly pausing to search in another tab. A Google account is required. Eligible new accounts receive a 7 day Pro trial with up to 10 video checks per day. Pro unlocks unlimited YouTube checks and the broader Pro entitlement. Paid plans renew until canceled. Independent product. Not affiliated with or endorsed by YouTube or Google. AI can make mistakes. Always inspect the linked sources and independently verify important claims.