LiarLiar.ai
AI-powered lie detector that analyzes video feeds for heart rate, body language, and speech patterns to estimate truthfulness.
| What is it | AI-powered lie detector that analyzes video feeds for heart rate, body language, and speech patterns to estimate truthfulness. |
|---|---|
| Pricing | Paid |
| Free tier | No |
| Platform | Web Application |
| API | Yes |
| Best for | screening candidates during video interviews, analyzing witness or subject statements in legal contexts |
| Domain registered | 2023 |
Data updated Aug. 1, 2026
What does LiarLiar.ai do?
LiarLiar.ai is a web-based tool that uses artificial intelligence to act as a digital polygraph. It analyzes live or recorded video feeds to detect potential deception. The tool monitors a person's heart rate remotely by detecting subtle color changes in the face, a technique called rPPG. Simultaneously, it scans for micro-movements in facial expressions, shifts in body language, and inconsistencies in speech patterns like tone and word choice. The goal is to provide an estimated truthfulness score in real-time as a conversation happens.
What makes it stand out is its multi-pronged, non-invasive approach. Instead of relying on a single signal, it combines computer vision for physiological cues with natural language processing for verbal analysis. It works directly within the video call platforms people already use, like Zoom or Google Meet, requiring no special hardware. After a session, it doesn't just vanish—it automatically saves a recording and generates a detailed report breaking down the various metrics it tracked, allowing for later review.
This tool is primarily for professionals who need an extra layer of insight in truth-sensitive interactions. Recruiters could use it to get a second opinion on candidate responses during remote interviews. Legal teams or investigators might find it useful for preliminary assessments of statements. While the developers are clear it's not 100% accurate, it serves as a powerful aid for those looking to sharpen their intuition and bring a data-driven perspective to understanding human communication and building trust.
Key features
What makes it stand outWho is LiarLiar.ai for?
Who benefits most from this toolPricing
Lifetime Access
- Updates Included
- Mac & Windows
- Automatic Recordings
- Post-session Reports
- 1 device at a time
Trust & presence
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