Chord Tuner

Idle

Spectrogram

Scroll 0.25x Sensitivity +30 dB

Time → Pitch ↑ Brightness = loudness

Top 3 fundamentals

Click Begin and sing/play a chord.

Show raw readout

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Pick a tonic, then select up to 4 intervals to form a chord. Sing any target.

Tuning Sound Play tonic Play chord Volume

Tonic — Intervals —

Select a tonic + intervals

Target — Detected —

Tonic (C3–C5)

Intervals (select up to 4)