frets.in
Pro Audio Tools

Professional Pitch Tracker

A hyper-accurate, DSP-driven tuning experience designed for stage and studio. Optimized for ultra-low frequencies and complex harmonic content.

Pro Tuner

Chromatic
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0 Cents
Target Strings

Ensure your instrument is connected and you've selected the correct input.

YIN Algorithm

Unlike standard FFT tuners, our autocorrelation engine tracks pitch in the time-domain for superior accuracy on low strings.

Zero Latency

Direct Web Audio API integration ensures immediate visual feedback, allowing for fast and precise adjustments.

Privacy First

Audio is processed entirely on your device. Your microphone data never leaves your browser.