Set the vocal key and correction style

Choose Chromatic if you do not know the song key, or select the exact key and scale for more musical note snapping.

Upload a Vocal Recording

Drop a dry vocal recording here to tune it, or import from:

Choose a key and scale, then upload a dry vocal or start the microphone.

What Is an Online Vocal Tuner?

An online vocal tuner detects the pitch of each sung note, finds the nearest allowed note in a selected key and scale, and applies a matching pitch correction. Unlike a basic pitch changer, it does not move the entire recording by one fixed number of semitones.

This free online autotune tool includes key and scale selection, correction strength, retune speed, humanize, effect mix, live note feedback, file preview, and MP3, WAV, M4A, FLAC, OGG, or AAC export. It uses browser audio processing rather than a generative AI voice model.

Note-by-note pitch correction

Stable vocal notes are detected and moved toward the nearest musical target instead of transposing the complete performance.

Key and scale control

Choose Chromatic, Major, Minor, pentatonic, Blues, Dorian, or Mixolydian so the correction follows the song.

Natural or hard-tune sound

Use slower retune, humanize, and lower strength for transparent polish, or fast full-strength correction for a pronounced effect.

Upload or live microphone

Correct an existing vocal recording, or monitor detected and target notes while singing through headphones.

How to Autotune Vocals Online

Start with a clean, isolated vocal whenever possible. The correct key and scale matter more than an extreme correction setting.

  1. 1

    Choose the song key and scale

    Select the known key and scale. If you are unsure, begin with Chromatic so all twelve notes remain available.

  2. 2

    Upload or sing live

    Add an MP3, WAV, M4A, FLAC, AAC, OGG, or WebM vocal, or use headphones and start live microphone tuning.

  3. 3

    Set the correction style

    Choose Natural Polish, Pop Vocal, Hard Tune, or Smooth Melody, then adjust strength, retune speed, humanize, and effect mix.

  4. 4

    Compare and export

    Create the tuned vocal, compare Original and Tuned playback, then download MP3, WAV, M4A, FLAC, OGG, or AAC.

When to Use Vocal Pitch Correction

Online vocal tuning can tighten an otherwise good performance or become a deliberate vocal effect.

Demo vocals and song covers

Correct small pitch misses before sharing a demo, cover, rehearsal, or songwriting idea.

Pop and electronic vocals

Use fast retune and full strength for clearly stepped transitions between notes.

Natural vocal polish

Preserve vibrato and slides with moderate strength, slower retune, and a wider humanize range.

Pitch practice

Use live detected and target notes to see whether a sung note is sharp, flat, or approaching the selected scale tone.

Tips for Better Autotune Results

Pitch detection works best when the recording contains one clear lead voice with limited background music and room echo.

Use an isolated vocal

Drums, chords, harmony vocals, and heavy reverb can create competing pitches and less stable note detection.

Confirm the musical key

A wrong key can force correct sung notes toward musically incorrect targets. Use Song Key Finder when the key is unknown.

Tune by ear after rendering

Always compare the original and tuned versions. Reduce strength or increase humanize if note transitions sound abrupt.

Wear headphones for live mode

Headphones prevent the processed microphone signal from feeding back into the microphone through speakers.

Vocal Tuner vs Pitch Changer vs Pitch Monitor

These tools all work with pitch, but they solve different problems.

FeatureVocal TunerPitch ChangerVocal Pitch Monitor
Primary purposeCorrect sung notes to a key and scaleTranspose the entire audio by a fixed intervalDisplay sung pitch without correcting it
Pitch movementChanges per detected noteOne semitone value for the complete fileNo audio processing
Best forVocal polish and hard-tune effectsChanging key or creating high and deep soundsSinging practice and visual feedback
OutputCorrected audio file or live monitored recordingPitch-shifted audio filePitch reading only

This vocal tuner uses browser DSP and pitch detection. It is not a studio replacement for manual note editing, formant correction, or polyphonic vocal production.

Frequently Asked Questions

Is this vocal tuner free?

Yes. You can upload or record a vocal, choose a key and scale, preview pitch correction, and export a mainstream audio format without installing software.

In this context, yes. Both describe detecting sung pitch and correcting notes toward a selected key or scale. Autotune is also commonly used as a general term for vocal pitch correction.

Yes. It analyzes successive vocal frames and changes the correction amount as the detected note changes. This differs from moving the complete recording by one fixed interval.

Use the key and scale of the backing track. If you do not know them, start with Chromatic or analyze the song with Song Key Finder before tuning the vocal.

Retune speed controls how quickly the correction moves toward the target note. A short time produces a tighter, more audible effect; a longer time preserves more natural slides.

Humanize leaves small pitch variations near the target note less corrected. Increase it to preserve vibrato and expression, or reduce it for hard note snapping.

Yes. Live Microphone mode displays the detected and target notes while routing the corrected signal to your headphones. Headphones are required to prevent feedback.

Yes. Uploaded vocals and corrected microphone recordings can be previewed and downloaded as MP3, WAV, M4A, FLAC, OGG, or AAC.

Use a dry recording with one lead voice. Background music, harmony vocals, strong echo, very breathy consonants, and an incorrect key can reduce pitch-detection stability.

No. Pitch detection, correction, recording, preview, and audio encoding run locally in the browser.