Producers
Turn a sung idea into a synth or piano line, then change any note.
Convert WAV to MIDI
Turn a sung or played melody into notes you can edit.
Drop in a WAV, MP3, M4A or FLAC up to 20 MB, or record up to 2 minutes, and get a MIDI file of the melody on a piano roll you can play back. It reads one voice or instrument at a time, in your browser.
Drop an audio file here or
MP3, WAV, M4A or FLAC, up to 20 MB
- Files never leave your device
- Free, no sign-up
- Results in seconds
A sung melody, turned into notes
A short sung line, read into a piano roll you can play back.
Saturday Is Ours (vocal)
Indie pop vocal, split here · 2:32
Another take made here, ready to run in the tool.
Every note in its place
Each bar is a note: how high, when it starts and how long it lasts.
Hear it back
Play the notes in the browser before you download.
Drop it into your DAW
Download the MIDI file and pick any instrument for it.
WAV to MIDI at a glance
What it reads and what you get.
- Files
- WAV, MP3, M4A or FLAC, up to 20 MB
- Microphone
- Record up to 2 minutes
- Reads
- One voice or instrument at a time
- Tempo
- The file is set to 120 BPM; notes keep their real timing
- Where it runs
- In your browser. Nothing is uploaded
- Price
- Free, no sign-up
How to convert WAV to MIDI
Three steps, about as long as the recording.
- 1
Add the melody
Drop in a WAV, MP3, M4A or FLAC up to 20 MB, or record up to 2 minutes.
- 2
Check the notes
See the notes on a piano roll and play them back.
- 3
Download the MIDI
Save the MIDI file and open it in any DAW.
From a hum to a part
An idea on your phone becomes a part in your project.
Songwriters
Hum the melody before you forget it, then keep it as notes.
Audio above, notes below
The same melody: the sound itself, and the notes read from it.
Audio
The recording: the voice, the room, the breath. You cannot move one note.
MIDI
Only the notes. Move them, change the instrument, fix a wrong one.
A full song?
Pull out one part with the Vocal Remover or Stem Splitter first, then convert it.
WAV or MIDI: what each file holds
A WAV is a recording. A MIDI file is a set of notes.
| WAV (audio) | MIDI (notes) | |
|---|---|---|
| Holds | WAV (audio): The sound itself | MIDI (notes): Which notes, when and how long |
| Change the instrument? | WAV (audio): No | MIDI (notes): Yes, any instrument in your DAW |
| Fix one note? | WAV (audio): Hard | MIDI (notes): Drag it on the piano roll |
| File size | WAV (audio): Large | MIDI (notes): Tiny |
| Plays on | WAV (audio): Any player | MIDI (notes): A DAW or a MIDI player |
Questions about WAV to MIDI
Can it convert a full song?
It reads one voice or instrument at a time. For a full song, pull out the part you want with the Vocal Remover or Stem Splitter, then convert that.
Which files work?
WAV, MP3, M4A or FLAC up to 20 MB, or record up to 2 minutes with your microphone. One voice or one instrument at a time works best.
Does the MIDI keep the tempo?
The notes keep their real timing. The file is set to 120 BPM, so set your project to match or let your app follow the notes.
Can I hum a melody?
Yes. Record with the microphone for up to 2 minutes and sing or hum one note at a time.
Can it read chords?
Not well: it follows one line of notes. For chords, use the Chord Finder.
Is there a test file I can use?
Use the button under the drop zone to load a sung line from Saturday Is Ours. It comes out as 241 notes between D2 and G5.
Can I sing or play into it instead of using a file?
Yes. Use the microphone to record up to two minutes, then turn it into notes. Sing or play one line at a time for the cleanest result.
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