Audio Pitch Shifter
Transpose audio up or down by semitones while preserving the original duration. Perfect for changing the musical key of songs, matching vocal tracks, creating harmonies, or producing chipmunk and deep voice effects. Supports ±12 semitones.
Drop your audio file here
or click to browse
Complete Guide: Audio Pitch Shifter
Everything you need to know about using this tool effectively
The Audio Pitch Shifter changes the pitch of your audio files without affecting the speed. Raise the key for higher vocals or lower it for deeper sounds. This is essential for music production, correcting off-key recordings, and creative sound design.
This tool uses the Web Audio API to shift the pitch of your audio. Pitch shifting changes the frequency of all sounds in the recording. Unlike speed changes, pitch shifting keeps the duration the same. A 3-minute song stays 3 minutes but with a different key.
Match vocal key
Shift pitch to match vocals to instrumental backing tracks.
Correct off-key recordings
Fix vocals that are slightly out of tune by shifting to the correct key.
Creative effects
Create voice effects like monster sounds, robot voices, or chipmunk voices.
Instrument tuning
Match recorded instruments to a different tuning or key.
Match audio clips
Shift pitch of audio clips to match each other in video projects.
Create demo versions
Create higher or lower key versions of songs for different singers.
Upload audio file
Click to browse or drag and drop your audio file into the upload area.
Choose pitch shift
Select how many semitones to shift up or down.
Preview
Listen to a preview of the pitch-shifted audio.
Download
Download your pitch-shifted audio file.
Shifting by 1-2 semitones sounds most natural
Larger shifts may introduce artifacts
Use negative values to lower pitch, positive to raise
Small pitch corrections work better than large changes
Preview on different speakers to check for artifacts
Vocals tend to show more artifacts than instrumental music
Does pitch shifting change the speed?
No. The duration stays the same. A 3-minute song remains 3 minutes but at a different pitch.
How many semitones is a musical step?
One semitone is the smallest interval in Western music. One key on a piano. 12 semitones equals one octave.
Will vocals sound robotic after pitch shifting?
Small shifts (1-3 semitones) sound natural. Large shifts may produce artifacts but can be used for effect.
Is my audio file uploaded to a server?
No. All processing happens in your browser using the Web Audio API. Your files never leave your device.
What is the maximum pitch shift?
You can shift up to 12 semitones in either direction. This equals one full octave up or down.
Can I shift pitch and speed at the same time?
This tool changes pitch only. Use the speed changer tool if you need to adjust both.