Voice Truth Test

Is Their Voice
Telling the Truth?

107+ AI engines analyze stress, authenticity, emotion, and probabilistic authenticity markers from any voice recording. Takes 30 seconds.

Privacy & Consent
Your voice recording is processed in real-time and never stored on our servers. Analysis runs on EU-hosted infrastructure (GCP europe-west1). Audio is deleted immediately after processing. No biometric templates are retained. Read our Privacy Policy and Methodology.
Drop audio file here or click to browse
MP3, WAV, M4A, WebM (max 25 MB)
Tap to record (10-120 sec)
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LIVE WAVEFORM -- -- dB
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Analyzing with 107+ engines...
Stress / Authenticity / Emotion / Confidence / Deception

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Get 200+ metrics: Big Five personality, forensic micro-tremor analysis, cognitive load patterns, and 12 detailed report modules.

Challenge a friend: How stressed are they?

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