Transpose any track's pitch and playback speed in real time with no quality loss. Shift a song into your range, or match a sample's key.
The pitch changer transposes a track up or down in real time, either as a musical key change or a tempo adjustment, and you hear both live while previewing. Pitch and tempo are naturally linked — the way a record slows down when you drag the platter — but here they're decoupled: the pitch slider moves the key without touching the timing, and the speed slider changes the tempo while the key stays put.
Singers use it to shift a song into their range, guitarists to match a track tuned a half-step down, and producers to line up a sample with a project's key. Push a transposition far enough and you'll hear artifacts, especially on vocals, where the formants that make a voice sound human start to stretch with the pitch — a couple of semitones is usually transparent, an octave is not. How to pitch shift without ruining vocals covers where the line sits, and how pitch, speed and duration relate explains why they were ever linked.
To transpose pitch without quality loss, Vocal Cut processes your audio internally at high precision throughout, which helps preserve dynamic range and avoid the artifacts that lower-quality tools can introduce. For the most natural-sounding results, keep shifts within about ±3-4 semitones — larger jumps can start to thin out or distort a vocal, a limitation of pitch-shifting in general, not just ours. Shifting the pitch does not change the track's length or tempo: a time-preserving pitch shifter moves the key while the timing stays exactly where it was. This is handy for a quick key change to practice a song in a more comfortable range, or to test how a cover might sound transposed before committing to a full re-record.
The two controls are independent. The pitch control shifts the key up or down in semitone steps without changing the tempo or length, and the speed control changes the tempo (0.5x to 2x) without changing the key. Both are applied live while you preview, so you hear exactly what you'll get, and the downloaded file is rendered with the same settings. Want the classic sped-up-record sound where both rise together? Raise both sliders — about +7 semitones matches 1.5x speed.
Yes, 100% private — all transpositions run purely in your browser, using your device's hardware to speed things up when available. Nothing about your file, including its content or metadata, is ever transmitted anywhere, so the same privacy guarantee applies whether you're processing a 10-second clip or a full-length track. This makes it a solid choice for reviewing unreleased demos, private vocal takes, or anything else you'd rather keep off a third-party server entirely. Processing time depends on your own device rather than a shared queue, so a larger file simply takes a bit longer locally instead of waiting behind other people's jobs.
Count the half steps between the original key and the one you want, and set the slider to that number. Moving from C to D is +2, from G down to E is −3, and the slider's limit of +12 or −12 is a full octave. If you don't know the song's starting key, run it through the key finder first. For singing, a shift of one to three semitones is often enough to reach a comfortable range.
Not directly, because the pitch changer shifts everything in the file by the same amount. To move only the voice, split the song first with the vocal remover, which gives you separate vocal and instrumental files, then load just the vocal file here and shift it. If you want the opposite, a backing track in a key that suits your voice, the karaoke maker removes the vocal and shifts the key in one step.