MP3 to MIDI Converter - One Part, DAW-Ready
Turn a melody, bass line, riff, piano part, or vocal into clean MIDI for editing, arranging, and production.
Simple, Transparent Pricing
Start your 3-day free trial
Pro
- ✓ Unlimited songs on our fast, secure cloud
- ✓ 6-stem separation: vocals, drums, bass, piano, guitar + instrumental
- ✓ Transcription + sheet music exports (PDF, MusicXML) + MIDI
- ✓ Lead + backing vocals split
- ✓ Drum kit pieces (kick/snare/toms/cymbals) + drum MIDI + notation
- ✓ Piano transcription (hands + pedals)
Full access • Cancel anytime • Trial then $9.99/mo or $99.99/yr
What You Get
One plan unlocks everything below. Start with one tool — use the rest when you need it.
Lead + Backing Vocals
Split the main vocal from harmonies, doubles, and stacks — great for practice, remixing, and mix cleanup.
96% Piano Note Accuracy
High-accuracy piano transcription with left/right hands and sustain pedal events — export MIDI and MusicXML.
Drum Kit Breakdown & Notation
Split drums into kick, snare, toms, and cymbals — plus Drum MIDI and printable drum notation.
Multi-Track MIDI
Turn a full mix into multi-track MIDI and a full-score MusicXML draft — ideal for dense arrangements.
Solo Any Instrument
Isolate or remove: vocals, drums, bass, guitar, piano, and more — with DAW-ready MIDI transcription.
Vocals (Karaoke)
Get vocals-only or an instrumental (no vocals) — plus the option to split Lead + Backing Vocals.
Stem Separation
Split a song into 6 stems: vocals, drums, bass, piano, guitar, and Other — Opus/MP3/WAV downloads for your DAW.
Loved by Musicians Worldwide
"The demixing was very good, and much better than I was getting with RX 10. Thank you for giving me this chance to try the PRO version."
"Your platform is the best music score generator I've found, and it keeps getting better with every update."
"I demixed the tracks with your app for my latest production project. The results were fantastic!"
Frequently Asked Questions
What do I get after processing?
Each job returns downloadable files for the output you selected: stem audio packs, DAW-ready MIDI, and when applicable, printable PDF + editable MusicXML.
What audio formats are supported?
MP3, WAV, FLAC, M4A/AAC, OGG, AIFF, and most common formats. If something needs conversion, the app handles it automatically.
How is processing handled?
Jobs run through Music Demixer's secure cloud service to generate your outputs quickly and reliably. You upload once, then download the finished files for your workflow.
Is there a free plan?
We offer a 3-day free trial with full access. After the trial, you can keep Pro or cancel anytime from your account page. Card required to start the trial.
How do I convert MP3 audio into a MIDI file?
Upload MP3/WAV, choose MIDI output, run transcription, then download the .mid file for DAW editing. This page is best when you want one target part instead of a full-song draft.
When should I use Multi-Track MIDI instead?
Use Multi-Track MIDI when you want a full-song, all-instruments draft. This page is best when you want one target part, not the whole arrangement at once.
Can melodic vocals be converted to MIDI notes?
Yes, sometimes. Melodic vocals can map well, but vibrato and background instruments reduce precision. Isolation improves results.
Why does exported MIDI feel different from the original song?
MIDI captures note events, not full audio nuance. Timing, articulation, and overlap may need editing in your DAW.
What audio can I upload for MIDI transcription?
Upload audio you're authorized to use. You're responsible for copyright and licensing compliance in your jurisdiction.
Can I use the output commercially?
Yes — if you own the rights to the input audio (or have permission or a license), you can use the outputs commercially.
Convert One Part to MIDI
Best when you want one editable part, not a full-song draft. Need the whole song? Use Multi-Track MIDI.
MP3 to MIDI Converter for Single-Part Transcription
Convert MP3 to MIDI online when you want one editable part instead of a full-song arrangement draft. It works best on a single line, riff, bass part, vocal melody, or other exposed instrument you want to refine in your DAW.
Use this page when you need one editable part
- Convert a melody, hook, bass line, riff, or vocal line into MIDI.
- Draft a piano passage you can quantize, revoice, and orchestrate in your DAW.
- Get a faster production or practice starting point than entering notes by hand.
Use a different workflow for full songs or notation
If you want the whole song drafted across instruments, use multi-track MIDI. If the target part is buried in the mix, use stem separation online first. If you want printable notation, use MP3 to sheet music.
Best inputs for clean MIDI
Clear note attacks and lighter overlap produce cleaner note timing. Dense masters can still work, but expect more cleanup after import.
Instrument paths
Piano transcription works well for hand and pedal detail. Bass, guitar, vocals, and other non-piano or non-guitar parts are strongest when the target part is exposed and easy to follow.
How to improve results on complex songs
If the part you want is masked by other instruments, isolate it first with stem separation online, then transcribe the cleaner source. For browser-first notation output, use convert audio to sheet music online.
Cloud processing
Fast, secure cloud processing.
Ready to generate MIDI? Upload audio and convert.