WAV to MIDI Converter

How to convert WAV to MIDI

1. Add your WAV file. Drop it onto the page or choose it from your computer. Up to 10 minutes long. You can also press Record to capture something new.
2. Pick what it is. Vocals / humming, Piano / keys, Guitar, Bass or Full song. If the file holds one instrument, choose that one instead of Full song. The notes come out cleaner.
3. Convert and check. Press Convert to MIDI. The notes fall onto an 88-key piano while the file plays. Switch between Audio and MIDI to hear how close it is.
4. Download the .mid. Drag it into Ableton, Logic, FL Studio, GarageBand, Cubase or Reaper and choose any sound you like.

The whole thing happens in your browser. The WAV is not uploaded, and there is nothing to sign up for. It is free.

Why a WAV file is a good starting point

A WAV is usually uncompressed. An MP3 is squeezed to save space, and the squeezing smears quiet details and the start of notes. A WAV keeps all of that, so the converter has a clearer signal to read. The difference is small on a loud, busy recording and easier to notice on a solo line, a soft passage or a short note. It won't rescue a messy recording, but it removes one source of error.

Bounce one instrument, then convert

The best WAV to convert is one instrument playing alone. If your idea lives inside a bigger project, bounce it out:

1. Solo the track in your DAW.
2. Switch off reverb, delay and heavy effects on it, or export a dry version.
3. Export it as a WAV, from the start of the part to the end.
4. Convert that file and choose the matching type here.

Why do this when the original MIDI might exist? Often it doesn't. Maybe you recorded a guitar through an amp, sampled a loop, or kept only the audio of an old session. A dry, single-instrument WAV gets the closest result.

Already have a full mix as a WAV? Pull the part you want out with the Stem splitter, then convert that. The Acapella Extractor gets the vocal line, and the Piano Extractor gets the keys.

Samples, loops and field recordings

Sample packs often come as WAV. A melodic loop, such as a piano riff, a pluck or a bass phrase, converts well and gives you notes you can play with another sound. Drum loops are a different story. This tool writes pitched notes, so percussion won't come out as a usable drum pattern. A recording of a single sung note or a whistle works fine, because the pitch is clear.

What MIDI keeps and what it drops

A MIDI file is a list of notes: which key, when it starts, how long it lasts and how hard it was played. It does not contain the sound of your WAV. No tone, no room, no mic, no amp. Whatever instrument you assign in your DAW decides how it sounds.

That is the point. Once the notes are MIDI you can swap the instrument, fix a wrong note, move the whole part to another key with Transpose, change the tempo or print it as sheet music. If you want the original sound back, keep the WAV alongside the MIDI file.

Settings worth knowing

• Note sensitivity: how faint a sound can be and still become a note. Turn it up if notes are missing, down if you see clutter.
• Shortest note: drops very short blips. Raise it to clean up noise.
• Snap to beat: lines notes up with the beat the tool detects. Switch it off to keep a looser feel.
• Keep pitch bends: writes slides and vibrato into the file.

Changes apply straight away after a conversion, so you can adjust while you listen.

For other kinds of files, the Audio to MIDI page covers hummed ideas and voice memos, and MP3 to MIDI is the same converter for MP3 files.