AUDIO IN. NOTES OUT.

MP3 to MIDI

Turn a melody into editable notes.
Start with a file, or record one here.

All processing happens in your browser. Your files are never uploaded to any server.

01 Your audio

INPUT

↥Choose an audio fileor drop it hereMP3 · WAV · OGG · FLAC · M4A*

Have a melody in mind?

Microphone access is requested only when you record.

Choose audio to begin.

*Decoding depends on your browser and the file’s codec. Unsupported files show an error.

02 Your MIDI

WAITING FOR AUDIO

—detected notes

—note range

—source length

▰ ▰
▰ ▰Your notes will appear hereConvert your audio to see the piano roll.

↓ Download .mid

MIDI contains note events, not the original audio or instrument sound.

Shape the notes

Updates instantly after conversion

Quiet-note filter −40 dBRaise to remove quieter sounds. Minimum note length 100 msRaise to remove short notes. Transpose 0 stShift all notes up or down in semitones.

Start with a single melody. Designed for one note at a time, such as a solo voice or instrument. Chords, drums and full mixes may produce missing or incorrect notes.

No sign-upNo usage limitsNo watermarkNo 30-second cutoff