PhonaLab – Free browser-based voice analysis tools for speech pathologists

Summary: PhonaLab provides six validated voice analysis tools accessible in any browser without installation, offering free research-grade functionality typically costing $1,000–$5,000. Developed by a voice biomechanics expert, it supports clinicians worldwide with accurate voice assessments.

What it does

PhonaLab delivers six validated tools including Voice Analyzer, Pitch Visualizer, AVQI & ABI Calculator, MPT & DSI Calculator, Spectrogram Generator, and Spectral Analysis, all running in-browser.

Who it's for

It is designed for speech-language pathologists and clinicians conducting voice assessments.

Why it matters

It eliminates the need for costly software by providing free, research-grade voice analysis accessible globally.