Turn a single melody, vocal line, bass line, or instrument recording into an editable Standard MIDI file.
Your file is decoded and analyzed in this browser. It is never uploaded by this page.
This MP3 to MIDI converter decodes the selected file with your browser, estimates the strongest pitch in short audio windows, joins stable pitches into note events, then writes a Standard MIDI file.
It is designed for one melody, voice, bass line, or solo instrument. Full mixes and chords can contain overlapping pitches, so this lightweight local detector chooses one dominant pitch.
Select MP3, WAV, FLAC, OGG, M4A, MP4, MOV, MKV, or WebM. Audio inside video files is used when the browser can decode that file's codec. WAV and clean, isolated recordings usually give the clearest pitch estimates.
A Standard MIDI .mid file, ready to open in a DAW, notation app, or MIDI editor. The original audio remains on your device.
Yes. This is also a WAV to MIDI and audio to MIDI converter. Choose a WAV file and use the same Convert to MIDI button.
No. This static page has no upload request or server endpoint. Conversion happens through the Web Audio API in the browser.
Audio-to-MIDI is an estimate. Noise, reverb, drums, chords, and multiple instruments make a single dominant-pitch detector less certain. Use a clear solo recording for the best result.