Transpose key, shift pitch, add reverb, loop sections, and enable 8D audio — all in real time on YouTube.
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KeyPitch is a browser extension that enables real-time pitch shifting, semitone transposition, frequency-based tuning, studio-grade reverb, immersive 8D audio, and precision looping directly on YouTube.
tuneTranspose Any Song
Shift ±12 semitones instantly. Ideal for singing practice, karaoke, musicians and vocal warm-ups.
graphic_eqPrecision Pitch (Hz)
Fine-tune pitch in Hertz for exact key matching and perfect vocal alignment.
surround_soundStudio Reverb
Add clean, spacious reverb effects to any YouTube track to simulate studio or hall acoustics.
360Immersive 8D Audio
Experience full 8D rotating audio for an immersive listening experience during practice or karaoke.
repeatAdvanced Loop Controls
Loop specific song sections precisely to improve timing, phrasing, runs or instrumental parts.
devices100% Free
The extension is 100% free, with no in-app purchases of any kind.
What Users Say ★★★★★
“I use KeyPitch every day to transpose songs into a lower key for karaoke. The semitone slider is incredibly accurate.”
“The pitch-shift in Hertz is perfect for matching instrumental tracks to my voice. It’s the best key-changing extension I’ve used.”
“Reverb + 8D audio makes every YouTube backing track sound like a live performance. Amazing tool for vocal training.”
“I loop tiny sections of songs to practice riffs. KeyPitch has the cleanest loop controls I’ve ever used.”
“Being able to slow down YouTube music while keeping the pitch stable is essential for musicians. KeyPitch does it flawlessly.”
“KeyPitch is now part of all my karaoke sessions. I transpose every song into the perfect key instantly.”
“The key-changing and pitch-shifting tools work instantly. Perfect for adjusting YouTube instrumentals.”
“I needed a fast way to transpose YouTube songs for choir practice. KeyPitch’s key controls are exactly what I needed.”