The converter analyzes your recording, estimates the notes, pitches, and timing it hears, and writes them into a MIDI file. That file is then fully editable in any DAW or notation app.
Audio to MIDI AI: Convert MP3 to MIDI Free
Drop in a recording—or paste a direct link to one—and get back a MIDI draft of its melody that you can reshape note by note. Everything runs in your browser after sign-in, and converting is free with no paid plan needed.
Select from My Songs
Use a public audio URL for larger files.
Transform Audio to MIDI in Three Steps
Behind the scenes, Musicfy AI runs your recording through an AI transcription engine and hands back a .mid file you can download as soon as the analysis is done.
Add your audio
Upload a short local clip for the fastest turnaround, or drop in a public direct URL when you're working with a bigger file.
The AI transcribes it
Pitch, note onsets, and timing are detected automatically from the recording.
Grab the .mid file
Download the result and open it in your DAW or notation software to keep working on it.
What an MP3 to MIDI Converter Actually Does
An audio to MIDI converter listens to a recorded phrase and writes out its notes as a standard MIDI file—the format every DAW and notation app understands. Rather than producing more audio, it estimates which pitches were played and when, giving you data you can actually edit. Because MP3 is the most common starting point, many people search for an MP3 to MIDI converter—this is that tool, and it handles WAV, M4A, OGG, and FLAC the same way.
It shines on melodic material: a hummed vocal idea, a guitar lick, a quick piano sketch, a synth line, or a track from the ai cover song generator whose melody you want to break down into editable notes.
Supported Audio Sources
- MP3 files
- WAV files
- M4A or MP4 audio
- OGG audio
- FLAC audio
You can upload local MP3, WAV, M4A, OGG, or FLAC files up to 100MB, point the converter at a public direct audio URL, or pick any track in My Songs that has a playable audio URL.
Who the Audio to MIDI Converter Is For
Music Producers
Pull the notes out of loops, hooks, and sampled ideas so they become MIDI parts you can rearrange, re-voice, and remix freely.
Songwriters
Hum or play a melody once, convert it, and refine it in a piano roll—fixing notes and layering chords underneath. The idea gets captured before it slips away, and the polishing can wait.
Composers
Move rough musical sketches into MIDI form so they can be notated, orchestrated, or developed further in scoring software.
Creators Using AI Music
Made a track with the free AI song generator? Convert it to MIDI to study its melody, then rebuild or rework the idea with full control in your own tools.
Tips for a Cleaner, More Accurate Transcription
Transcription accuracy tracks how clear the source is. As with any music to MIDI conversion, a single exposed melody—piano line, guitar riff, synth lead—converts far more cleanly than a busy full mix, so isolating one part with the stem separator first pays off.
- Feed it short clips built around one dominant melody or riff.
- Steer clear of thick reverb, distortion, ambient noise, or drums that bury the melody.
- Cut out silence and unrelated passages before you convert.
- With a complete song, start from the section where the melody is most exposed and tidy the output in your DAW afterward.
Your Editable MIDI File, Ready for Any DAW
The download is a .mid file, not a second audio render. Think of MIDI as a score of performance instructions—which notes play, how hard, and exactly when—that your music software can perform on whatever instrument you point it at.
Standard MIDI file
The .mid format imports cleanly into virtually every DAW, notation app, and virtual instrument setup.
Editable note data
Every note, its timing, and its velocity stay adjustable, so you can quantize and rearrange the part after transcription.
No original tone included
The tone of the source vocal, guitar, or synth is not carried over—pick the instrument sound yourself once the file is imported.
From MIDI File to Finished Track
A freshly exported .mid file is a starting point, not a deliverable. The moment it lands in your DAW, three doors open at once—you can correct the performance, reassign the sound, or grow the part into a full arrangement, the kind our song generator builds from scratch.
Refine the performance
Fix stray notes, tighten timing, tweak velocities, and quantize the part inside your DAW.
Swap the sound
Route the same notes to piano, strings, bass, or any virtual instrument—the melody is no longer tied to its original timbre.
Grow it into a track
Treat the transcribed melody as a seed: add chords, harmonies, counter-lines, and build a full arrangement around it.
How Accurate Is the Transcription?
Every AI transcription is a best guess. Expect weaker results on crowded mixes, percussion-forward tracks, stacked vocal layers, heavy pitch bends, and intricate polyphony. When the melody is buried, you can remove vocals first to give the engine a cleaner signal to read.
The practical approach: treat the output as a working draft, open it in your DAW, and correct the notes, timing, and dynamics that actually matter to your track.
Start Converting for Free
Upload a recording, paste a direct audio link, or pick a track from your library—a generated song or an ai song cover. In return you get a MIDI draft ready for editing in whatever tools you use—the quickest way to turn audio to MIDI without installing anything.
Start Audio to MIDIWant Individual Instrument Stems?
If what you actually want is vocals, drums, bass, and other layers as individual audio files—not note data—Get Stems is the right tool.
Get StemsWant a Clean Instrumental?
Reach for Vocal Remover when the goal is pulling the vocal out of a track or making a clean instrumental version.
Remove VocalsConvert Audio to MIDI
MIDI is the bridge between hearing a melody and owning it. Convert a line with Musicfy AI, drop the notes into your DAW, and the idea becomes something you can rewrite, transpose, and rearrange freely. Because the conversion happens in a few clicks, a hummed idea or a finished line turns into notes you can edit almost as fast as you can play them.
Isolate a Cleaner Source First
Transcription is only as good as the audio you feed it, so a clean source matters. Isolate the melody from the mix first with the vocal remover, which hands back the vocal and the instrumental as separate files. For finer control, the stem splitter returns each layer on its own, so you can transcribe one exposed part instead of a crowded full mix.
MP3 to MIDI for Generated Tracks
A practical tip for generated material: if the clip you want to transcribe ends after a minute, lengthen it with the AI song extender before converting, so there is more of the line to capture. Once you know the notes, take what you learned into the free AI song generator and produce an original track around them.
Frequently Asked Questions
MP3 works, either as a local upload or a public direct MP3 URL. WAV, M4A, OGG, and FLAC files are accepted the same way.
Whole songs are supported—converting a full song to MIDI works fine—but a short excerpt with one clear melody or an isolated instrument typically transcribes much better. Busy full mixes tend to require manual cleanup afterward.
Yes. It is a standard .mid file, so Ableton, FL Studio, Logic, GarageBand, notation apps, and most virtual instrument workflows can import it directly.
It is an estimate rather than a perfect score—polyphonic material, vocals, pitch bends, distortion, and dense layers all reduce accuracy. Plan on treating the output as a draft you refine.
No. Once signed in, you can convert audio to MIDI free in your browser with nothing to install—normal rate limits apply.
Not by itself. MIDI carries only note and performance data, so the original timbre is gone—after importing, assign a piano, synth, string patch, or any other instrument in your DAW.
No. Conversion runs in one direction only: audio in, .mid file out. To hear a MIDI file as sound again, import it into a DAW or notation app and render it through any virtual instrument you like.
Yes. Any track in My Songs with a playable audio URL can be converted directly—no need to download and re-upload it first. Generated instrumentals with a clear lead line tend to transcribe especially well.
The engine focuses on pitched material. Chords and polyphonic passages are transcribed on a best-effort basis and usually benefit from cleanup, while unpitched percussion doesn't translate into meaningful notes—for drum programming, start fresh in your DAW instead.