Upload or record
Start with a short MP3, WAV, M4A, FLAC, OGG, WebM, or a microphone take captured directly in the browser.
Free MP3 to MIDI converter
Online AI Audio to MIDI Converter
Convert MP3, WAV, FLAC, OGG, M4A, or a microphone recording into a downloadable MIDI file in your browser.
Drag and drop your audio file here, or click to browse
Supported formats: .wav, .mp3, .m4a, .flac, .ogg, .webm
Audio to editable notes
What is an AI audio to MIDI converter?
An AI audio to MIDI converter listens for pitch, timing, and note length in a recording, then writes those musical events into a MIDI file. It is useful when an idea starts as a hummed hook, guitar riff, piano sketch, or rough demo and you want to edit the notes instead of redrawing them by hand.
Record or upload
Detect melody notes
Download or edit MIDI
How it works
From audio file to MIDI in three steps
Keep the first capture fast, then refine the musical idea after the notes are editable.
Let AI trace the notes
The converter analyzes pitch movement, onset timing, and note duration to turn the performance into structured MIDI data.
Download or open the editor
Save the MIDI file, or send it straight into Creatune’s online MIDI editor to clean timing, length, and phrasing.
Edit the result
Turn conversion into arrangement, not just a file.
Audio-to-MIDI is strongest when it becomes the start of a workflow. After conversion, open the MIDI editor to correct note boundaries, test chords, move phrases, and shape the part before bringing it into a DAW.
Open MIDI editorUse cases
Built for fast musical capture
Voice
Hum a hook before it fades
Record a vocal melody, convert it to MIDI, then test it with synths, piano, or other instruments.
Instruments
Trace riffs and sketches
Turn guitar, piano, or simple instrumental ideas into editable notes for production and arrangement.
Learning
See what you played
Use MIDI output to inspect timing, pitch movement, and phrase shape in a more visual way than audio alone.
Better results
How to get cleaner MIDI
Use a clear single-note source
Melodies, bass lines, whistles, and simple leads usually convert more cleanly than dense full mixes.
Keep the recording tight
Trim silence and background noise so the model can focus on the musical phrase you care about.
Treat MIDI as editable draft
Expect to polish timing, note length, and extra notes in the editor, especially after expressive performances.
FAQ
AI Audio to MIDI Questions
What is AI audio to MIDI?+
AI audio to MIDI converts a recording into MIDI note data. Instead of editing a waveform, you get notes that can be moved, shortened, quantized, or assigned to virtual instruments.
Can I convert MP3 to MIDI online?+
Yes. Upload an MP3 or another supported audio format, run the converter in your browser, and download the MIDI file when the analysis finishes.
Does it work with voice recordings?+
Yes. Short hummed or sung melodies are a practical source for voice-to-MIDI capture, especially when the recording is clean and focused on one melody.
Will the MIDI be perfect?+
No converter is perfect. AI gives you a strong editable draft, and the best workflow is to clean timing, note length, and stray notes in the MIDI editor.
Convert the melody while it is still fresh.
Upload a file or record a quick take, then turn the result into MIDI you can edit, arrange, and reuse.
Start audio to MIDI