You've got an audio file and you need the notes. Maybe it's a song you want to learn, a melody you want to remix, or a chord progression you want to study. Turning MP3 to MIDI extracts the musical information from the audio and gives you an editable file you can work with.
Here's how it works: drag your MP3 onto the converter. The AI model (Spotify's Basic Pitch) analyzes the audio and identifies the notes. In about 10-15 seconds, you get a MIDI file with all the detected notes, ready to open in any DAW.
What you can do with the MIDI
Once you have the MIDI file, the possibilities open up. Change the instrument — play the melody on a synth instead of piano. Adjust the tempo — slow it down to practice, or speed it up. Transpose the key — move everything up or down to match your vocal range. Rearrange sections — copy the chorus, cut the bridge, extend the solo.
MIDI files are also great for learning. Open the file in a piano app and watch the notes scroll by in real time. It's like having a teacher play the piece slowly for you, note by note. Learn more about what MIDI is and how to use it.
Tips for better results
Use the cleanest audio you have. Solo instruments work better than full band mixes. Higher quality files produce more accurate transcriptions. And always check the preview before downloading — a quick glance at the piano roll will tell you if the transcription captured the right notes.