Free Harmonics Mixer — Add Warmth & Edge to Any Audio Online
Web Audio · Harmonic Saturation Harmonics Mixer Upload any audio file, view the full waveform at a glance, click anywhere to preview, and use a single fader to add rich, naturally-decaying harmonics to the sound. ⚠ Use on a single instrument or voice only — piano, bass, vocal, or guitar recorded alone. Full mixes or all-in-one backing tracks with multiple instruments playing at once are not supported : overlapping notes create unrelated noise frequencies instead of clean harmonics. Click to choose an audio file, or drop it here MP3, WAV, M4A, OGG — processed entirely in your browser, nothing is uploaded — choose another file Waveform click to set start point Upload a file to see its waveform ▶ Play ⬇ Export WAV 0:00 / 0:00 Harmonics Display Fundamental Even (H2,H4,H6) Odd (H3,H5) ...