Audio, translated
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.
Transcription specimen
Solo piano · 16 bars
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.
Conversion studio
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.
Extract MIDI from audio, audition, inspect, and re-transcribe it in one place, then render MIDI back to MP3 in the sound you choose.
Upload MP3 or WAV to turn pitch, melody, and rhythm from a recording into standard MIDI you can keep working with.
Stay on the same page to audition the MIDI, inspect its notes, and re-transcribe with adjusted settings when the source needs another pass.
Render MIDI to MP3 with a built-in or uploaded SoundFont, so you can audition the same phrase with a different instrument character.
Questions before rehearsal
Audio-to-MIDI identifies musical information; it is more than renaming a file. These are the questions worth answering first.
Practical guides to audio-to-MIDI, transcription, arranging workflows, and SoundFont.
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.
Upload a recording and get MIDI you can arrange, notate, or practice. No software to install, and free during the initial release.