M4A to MIDI Converter
Recorded on an iPhone? M4A voice memos and AAC files convert straight to MIDI here. The AI writes the notes and rhythm, so you get playable MIDI for your DAW plus readable notation from the same upload.
Results in seconds No install MIDI + MusicXML
Convert your audio freeNo account needed to try · 15s free
How it works
01
Upload your audio
Drop an MP3, WAV or M4A, or record straight in the browser.
02
AI transcribes it
Notes, rhythm, key, tempo and time signature are detected automatically in seconds.
03
Play & download
Play the score back in the browser, then export MIDI or MusicXML for MuseScore, Sibelius or your DAW.
Straight from your phone
iPhone voice memos and most AAC files are M4A. Instead of converting the format first, upload the M4A directly — a quick idea you hummed into your phone becomes editable MIDI, plus notation, in one step.
Frequently asked questions
Can I convert an iPhone voice memo?
Yes — voice memos export as M4A. Upload it directly and you get MIDI, sheet music and MusicXML back.
What file formats can I upload?
MP3, WAV, M4A and most common audio formats. You can also record audio directly in the browser.
Is it free?
Yes — you get a free preview of every transcription, and 3 full scores free when you sign in. Premium unlocks 10 scores per month.
What do I get as output?
Interactive sheet music you can play back in the browser, plus MIDI and MusicXML downloads that open in MuseScore, Sibelius, Finale and any DAW.