MelodyTrace

Audio, translated

MP3 to MIDI: sound, written as editable notes.

MelodyTrace turns recorded melodies into MIDI you can arrange, study, and refine — then renders MIDI back to MP3 or auditions a new voice with SoundFont.

Start convertingSee how it works
Free to use · No install MP3 / WAV MIDI / SF2

Transcription specimen

Solo piano · 16 bars

♪
Tempo
96
Meter
4/4
Notes
128

  • Both directions

    MP3 / WAV into MIDI — and MIDI rendered back to MP3.

  • Edit in the browser

    Move, stretch, transpose, and delete notes right on the piano roll.

  • Back to your workflow

    Export standard MIDI or sheet music for your DAW and notation app.

Free, no account neededEdits run in the browserBasic Pitch transcription

Conversion studio

Convert it, fix it, right here.

Pick a format and drop the file on the left; the result lands on the right — a piano roll you can play, edit, and re-transcribe with new settings, without leaving the page.

Conversion studio

Choose a format and add your track

Drop your track here or browse

MP3 or WAV · processed securely

Maximum file size: 50 MB

Result

Waiting

Your result shows up here

Pick a format and add a file on the left. The transcription lands here as a piano roll you can play, edit, and download.

  1. 01

    Add a file

    Drop in MP3, WAV, or MIDI

  2. 02

    Convert

    Pitch and timing detected for you

  3. 03

    Edit & export

    Fix notes, export MIDI or sheet music

More than conversion: from MP3 to MIDI you can edit.

MelodyTrace isn't a file-extension swap — it moves recordings into your arranging, transcription, and practice workflow.

A

Transcribe melody and rhythm

Upload MP3 or WAV and turn musical information in the recording into editable MIDI material.

B

Return to your workflow

Download standard MIDI for further editing, arranging, or practice in your DAW or notation software.

C

Let the notes speak again

Render MIDI to MP3 and use SoundFont to audition the same phrase in a different voice.

Questions before rehearsal

A few things to know before converting.

Audio-to-MIDI identifies musical information; it is more than renaming a file. These are the questions worth answering first.

MP3 to MIDI guides & tips

Practical guides to audio-to-MIDI, transcription, arranging workflows, and SoundFont.

How to prepare a recording for audio-to-MIDIImprove editability by preparing clear melodies, controlled accompaniment, and lower-noise recordings.Give MIDI a new voice with SoundFontUnderstand SF2, SF3, and MIDI rendering, then audition notes quickly as MP3.

Every converter, one place

Pick the tool that matches your source file or the result you need. Every converter opens with the right format filter and the same editable MIDI workflow.

Bring the next melody into your workflow.

Upload a recording and get MIDI you can arrange, notate, or practice. No software to install, and free during the initial release.

Start converting