Voice to MIDI Converter Online
Sing or record a melody and turn your voice into editable MIDI notes — capture a tune the moment it comes to you, then refine it in the browser.
- Voice / singing
- Songwriting ideas
- Sheet music export
Click a note to hear it
What is voice to MIDI?
Voice to MIDI transcribes a sung or spoken vocal line into MIDI notes, translating the pitch of your voice into notes any instrument can play. Sing a melody, a harmony part, or a topline idea and get editable notes instead of a fixed vocal take.
Since the voice is naturally monophonic, a clean sung line transcribes with high accuracy. It is a fast way to sketch toplines, double a vocal with a synth, or hand a melody to a bandmate as notation rather than an audio clip.
How it works
Record or upload your voice
Upload an MP3 or WAV of your singing or a vocal melody. Sing one clear line at a time for the most accurate transcription. No account needed to convert and preview.
Preview and fine-tune
Hear your voice mapped onto a piano roll, compare it to the recording, and enable pitch bends or adjust sensitivity to capture slides and soft notes.
Download MIDI or sheet music
Download the MIDI, fix any wrong notes on the roll, or export sheet music as MusicXML/PDF for MuseScore, Sibelius, or printing.
Formats & limits
- Input formats
- MP3 / WAV / WebM / M4A
- Output
- MIDI
- File limits
- 50 MB · 10 min
- Price
- Free · no sign-up
- Recording
- Microphone capture supported
Highlights
Sing the melody
Turn a vocal take into notes without playing an instrument.
Keep expression
Enable pitch bends to preserve slides and vibrato from your performance.
Topline to score
Export MIDI or sheet music to arrange the idea or share it as notation.
Getting the cleanest vocal transcription
- Sing a single, clear melodic line — one note at a time — rather than harmonies or overlapping parts.
- Record in a quiet space; background noise and reverb add stray notes to the transcription.
- Enable pitch bends so scoops, slides, and vibrato in your voice are captured instead of flattened.
- Hum or sing on a steady vowel ("la", "da") for cleaner note onsets than breathy or whispered singing.
Frequently asked questions
How do I convert my voice to MIDI?
Record directly in the browser using your microphone, or upload an existing MP3 or WAV of your singing, humming, or a vocal melody idea — both paths lead into the same Basic Pitch transcription. The result lands on an interactive piano roll where you can play it back against your original take, enable pitch bends to capture slides and vibrato from your performance, and adjust detection sensitivity if notes are missing or extra ones appear, then re-transcribe without recording again. Once it sounds right, download the MIDI file directly with no account needed, or sign in first to unlock full note editing and export the result as MusicXML or PDF sheet music alongside it — no separate tool needed for either export.
Is voice to MIDI the same as humming to MIDI?
They run through the exact same transcription engine and the same microphone-recording flow, so there is no technical difference in how either processes audio — the two pages are simply framed around different starting points. Voice to MIDI covers singing and vocal melodies broadly, including full lyrics, a topline idea, or a harmony part, while Humming to MIDI is written for the narrower case of a wordless hummed or 'la-la' tune, typically for quickly capturing a melodic idea before it's forgotten. Use whichever title matches what you're actually recording; the pitch detection, editing tools, and export options behave identically either way, so picking the wrong one costs nothing in quality.
Is the voice to MIDI converter free?
Yes — recording, uploading, converting, and previewing are all completely free, with no account required at any point. Capture your voice from the microphone or upload a file, watch the transcription build on the piano roll, and listen back immediately to judge whether it captured what you sang. Signing in adds persistence and depth on top of that free flow: your results save to a conversion history you can return to, the full note-editing toolkit becomes available instead of just previewing, and you can export the corrected melody as MusicXML or PDF sheet music alongside the plain MIDI download — a quick one-off download needs no account at all.
Why are there extra or wrong notes?
Breath noise, room reverb, heavy vibrato, or accidentally singing a harmony against yourself can all be misread as separate notes by a pitch-detection model that expects one clear line at a time. The fix starts before you even record: a quiet room, a steady single vocal line without doubling yourself, and singing on a clear vowel rather than a breathy or whispered tone all reduce false detections significantly. For whatever slips through anyway, enabling pitch bends preserves intentional slides and vibrato as expression rather than stray pitch changes, and the built-in piano-roll editor lets you delete or correct the handful of remaining wrong notes without re-recording the whole take from scratch.