Pitch Diagram: Vocal Tuner

Pitch Diagram gives you real-time visual feedback on every note you sing or play. See your pitch as a smooth, scrolling graph, spot intonation issues instantly, and track your accuracy down to the cent. Whether you're refining vibrato, practicing scales, breaking down melodies, or tuning your instrument, Pitch Diagram is a mirror for your sound. 6 Tools for Musicians • Pitch Diagram (Mono) Real-time pitch graph for single-note music. See every note as a continuous trace. Record you session and export to MIDI. • Pitch Spectrogram (Poly) Detect multiple notes at once. Reveal chords, harmonies, and harmonic overtones in any musical passage. • Tuner Cent-accurate chromatic tuner showing the closest note, cents offset, and exact frequency. • Intonation Tracker See your intonation relative to the nearest note, measured in cents. Ideal for focused practice. • Spectrum Analyzer Full frequency spectrum visualization with logarithmic scale. • Tone Generator Generate reference tones by note or frequency. Sine, triangle, square, and sawtooth waveforms. • Keyboard Interactive piano keyboard with sampled instruments, visual feedback, and a compact transport bar for octave selection. • Interval Trainer Train in-key scale degree recognition against a chord progression. Leveled difficulty increases as you progress. • Solfege Trainer Same flow as Interval Trainer, but you sing the target degree while a pitch diagram tracks you. • Customize Your View - Switch between grid lines and piano roll background - Adjust visible octave range to match your voice or instrument - Toggle waveform strip for additional context - Transpose notes to any key - Set custom reference tuning - Switch between letter and solfege note labels • Free to Try Use any tool free for 1-minute sessions. Subscribe for uninterrupted access to everything. Built by a musician, for musicians. Feedback welcome, use the in-app Feedback button or email us.