Pitch Changer

How to change the pitch of audio online — 3 steps

What is a pitch shifter?

A pitch shifter moves a recording into a different key without changing its speed — shift up to sing along, shift down to match an instrument. Twelve semitones up or down, and the tempo stays exactly as recorded.

It runs in your browser: the file never reaches a server, and you preview the shifted key before exporting. Results stay on your device until you save them to your library.

Find your key — ±12 semitones, tempo kept

Sing along comfortably by shifting a track into your range, match a karaoke backing to your voice, or line up two songs in different keys. The shift is semitone-accurate and the tempo never moves.

Pitch shifter use cases — karaoke, covers and practice

The most common job for a pitch shifter is karaoke: the backing track sits in a key that fights your voice, so you shift it a few semitones until it lands in your range — and because the tempo is preserved, the song still feels exactly like the song. The same trick serves cover artists lining an instrumental up with their register before recording, and singers rehearsing a difficult part comfortably instead of straining at the original key.

Producers reach for a pitch shifter too: shifting a sample or loop into the key of the beat is a daily job in beatmaking, and a semitone-accurate shift with the tempo locked keeps the sample cutting at exactly the BPM it started at. Whichever of these you are doing, the flow is the same two moves here — set the semitones, preview the result in place.

Pitch shifter vs speed changer — pick the right tool

A pitch shifter moves the key and keeps the tempo; an audio speed changer moves the tempo and keeps the key. If a track is in the wrong key for your voice, shift it. If it is too fast to learn or too slow to be exciting, change its speed instead — that is a different job for a different tool.

They also stack neatly. Shift the key here first, then hand the file to the audio speed changer to fit a workout video or a practice loop. Because pitch and tempo are independent, the second step never undoes the first.

A pitch shifter that runs in your browser

This pitch shifter runs entirely in your browser, on a laptop or a phone, with nothing to install and no account needed to start. Because the file never reaches a server, you can shift unreleased material in private — a demo vocal, an unfinished beat, a practice take you would rather not upload anywhere.

The shift is semitone-accurate across the full ±12 range, and you preview the shifted key before exporting — nothing is committed until it sounds right. Results stay on your device until you save them to your library.

How many semitones to shift — finding your key

Finding your key is a two-minute experiment with the preview doing the work. Hum the melody comfortably and notice where your voice sits; then shift the track one semitone at a time and sing along at each step. The right shift is the one where you stop reaching up or growling down — usually within three or four semitones of the original. Singers who know their range in advance can jump straight there: measure the gap between the song's key and yours, and dial in exactly that many semitones.

For instruments the same logic applies: a guitar part tuned down for one song can sit in standard tuning again after a shift, and a keyboard figure written in a hard key moves into an easy one for teaching. Because the tempo is locked throughout, shifted practice material still matches a metronome or the original drum track exactly.

Pitch shifter for producers — samples, stems and keys

Sample-based production lives and dies by key matching: a loop in F over a beat in C is a car crash, and re-pitching the whole loop the old-fashioned way (faster or slower playback) wrecks the tempo. A pitch shifter solves it directly — move the loop the four semitones it needs while it keeps hitting at the exact BPM of the beat. The same move rescues vocal chops, one-shot stabs and hummed ideas recorded in the wrong key.

A workflow note: shift before you process. Reverb, delay and saturation baked into a sample re-shift cleanly here, but shifting after heavy processing multiplies whatever artifacts the chain added. Get the key right first, then build the sound — the same order every DAW textbook preaches, just with the shifting step done in your browser for free.

What shifting cannot fix

Honest limits make the tool easier to trust. Extreme shifts — ten semitones and beyond — start to sound processed no matter what engine runs them, because the harmonics stretch faster than the ear finds natural; the practical sweet spot is a few semitones in either direction. Very dense material blurs slightly at large shifts for the same reason. And a pitch shifter will not fix a flat performance: it moves the whole recording, not individual notes. Within those bounds, though, it does exactly what it claims — a clean key change, tempo untouched.

Preview discipline — the two-second habit

One habit separates useful shifts from bounced exports: preview the hook, not the intro. The chorus exposes a shift's flaws — sustained vowels, wide harmonies, cymbal sheen — long before the first verse does. Sing or play along with the preview once, and if your part still sits, the shift is right. Ten seconds of this discipline and the pitch shifter never surprises you after the export, which is the entire difference between a tool you trust and one you retry.

Free pitch shifter — 3 uses a day without an account

• Guests: 3 uses a day — no sign-up, no card
• Free accounts: 10 uses a day
• Results stay on your device until you save them to your library

More free audio tools — Audio Speed Changer · Audio Cutter