Free Voice Pitch Changer.
Shift the pitch of any audio up or down. Create deep voices, chipmunk effects, or fine-tune vocal pitch — all in your browser with instant preview.
Your audio is processed entirely in your browser. Nothing is uploaded — your files stay on your device.
Upload an audio file to get started
How It Works
Drag and drop any audio file. Works with MP3, WAV, OGG, M4A, FLAC, and more (up to 50 MB).
Use the slider or preset buttons to shift pitch up or down. Each semitone step changes pitch like moving one piano key.
Listen to the result, then download as a high-quality WAV file ready for your project.
Why Use Our Voice Pitch Changer?
Shift pitch up or down by up to 12 semitones (one full octave). Fine-tune in quarter-semitone increments.
Create chipmunk voices, deep movie-trailer tones, or subtle pitch corrections. Great for content creators and musicians.
Hear the pitch-shifted result instantly before downloading. Adjust and re-preview until you get the perfect sound.
Your audio is processed entirely in your browser. Nothing is uploaded — your files stay on your device.
Frequently Asked Questions
Yes, 100% free with no limits. No account needed, no watermarks, and your audio stays private in your browser.
Yes, pitch shifting with the Web Audio API naturally changes speed as well. Shifting up makes audio faster and higher-pitched; shifting down makes it slower and deeper. This is similar to how vinyl records work.
A semitone is the smallest standard pitch interval in Western music — the distance between two adjacent piano keys. 12 semitones equals one octave (doubling or halving the frequency).
Absolutely. Many content creators use pitch shifting for character voices, audio disguises, or fun effects in podcasts and videos.
Upload MP3, WAV, OGG, M4A, or FLAC files. The output is always a high-quality WAV file.