💡Quick Answer
Change audio pitch (key) without changing speed. Shift musical key by semitones or create voice effects locally in your browser.
Pitch Shifter
Change the pitch of audio without changing the speed.
Drag & drop audio file
or click to select
MP3, WAV, M4A, AAC, OGG, WEBM supported • Max 100MB
High Quality DSP
Powered by Tone.js, our pitch shifter uses granular synthesis to smoothly shift the frequencies of your audio while keeping the timing locked.
Perfect for Remixes
Change the key of a sample to match your song, or adjust a vocal track to create deep or high-pitched effects instantly.
Frequently Asked Questions
No. This tool uses "Time Stretching" technology to change the pitch (key) while keeping the original tempo/speed exactly the same.
A semitone is the smallest step in Western music (e.g., from C to C#). Shifting +12 semitones moves the audio up exactly one full octave.
Yes! This is the primary use case. If a song is too high or low for your voice, you can shift it by -2 or +2 semitones to find your perfect range.
Small shifts (±1-4 semitones) sound very natural. large shifts (>7 semitones) can start to sound processed or "chipmunk-like" due to the nature of vocal formants.