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Find your vocal range and voice type in ~60 seconds. Real-time pitch detection runs entirely in your browser — nothing is uploaded. Discover your vocal range and voice type in about 60 seconds — right in your browser. Sing or hum into your microphone and Vocal Range Finder guides you through three quick steps: 1. Warm up 2. Find your lowest comfortable note 3. Find your highest comfortable note You'll get: • Your range in scientific pitch notation (e.g. C3–C5) • The span in semitones and octaves • Your closest voice type — Soprano, Mezzo-Soprano, Alto, Tenor, Baritone, or Bass 100% PRIVATE. Pitch detection runs entirely on your device using on-device AI (the SwiftF0 model via ONNX Runtime + WebAssembly). Your microphone audio is never recorded, uploaded, or sent anywhere. The extension makes no network requests. No sign-up. No account. Completely free. Tips for the most accurate result: use headphones in a quiet room and warm your voice up first. Want to actually expand your range? Vocal Range Finder is a free tool from PitchHighway — learn to sing your favorite songs with guided warmups, pitch drills, and real-time feedback at pitchhighway.com.