Pitch Shift, Transpose Key & Speed Control for YouTube – KeyPitch

Transpose key, Pitch Shift, add reverb, control speed, loop audio in real-time on YouTube. Perfect for karaoke, singers, musicians.

Pitch Shift, Transpose key, control playback speed (tempo), create precise loops, add reverb, enable spatial 8D audio, save your tracks in your own library, and freely organize your workspace. That’s exactly what KeyPitch delivers: an audio tool designed specifically for YouTube and YouTube Music. KeyPitch is a next-generation audio tool built for anyone who listens to, practices, performs, or creates music on YouTube and YouTube Music. Whether you are a singer, musician, producer, or karaoke enthusiast, KeyPitch turns your browser into a real-time digital audio workstation (DAW). 🚀 Core Features 1. Key Transposition (“Transpose” – international term) Change the key of a track without altering its tempo. • Semitone adjustment: from -12 to +12. • Ideal for: Adapting a song to your vocal range or playing in a different key without changing chord shapes. 2. Precise Pitch Control (Hz) (“Pitch Shift” – international term) Unlike classic transposition, pitch adjustment is fine-grained and continuous. • Surgical precision: Adjust frequency from 415.3 Hz to 466.2 Hz (around the standard 440 Hz tuning). • Ideal for: Microtonal tuning, pitch correction, or matching slightly detuned recordings. 3. Tempo Control (Time Stretching) Speed up or slow down playback from 0.25× to 4.00× without affecting pitch. • Total smoothness: High-quality algorithm with no audible artifacts. • Ideal for: Analyzing complex solos or progressively practicing fast passages. 4. Immersion: Reverb & 8D Audio • Reverb (0–100%): Recreate the acoustics of a concert hall or studio to add depth and warmth to a “dry” sound. • 8D Spatial Mode: Create dynamic rotational movement. The sound feels like it’s moving around your head (best experienced with headphones). 5. Precision Looping Define point A and point B with millisecond accuracy. • Modes: Infinite loop or single loop. • Use case: Repeat a difficult section until it’s perfectly mastered. 6. Your Personal Library (Save & Recall in One Click) Never set up the same track twice. • Save everything: Store any track together with the settings you tuned for it — transposition, pitch, tempo, reverb, and 8D. • One-click recall: Reopen a saved track in your next session and everything is exactly where you left it. • Folders: Create folders to sort your tracks however you like. A teacher can, for example, create one folder per student and rename it with their name, making it effortless to find the right material during a lesson. • 100% local storage: Your library lives in your browser, on your machine. Nothing is stored on our side. Close the tab, close your browser, restart your computer, or update KeyPitch — your library will still be there, exactly as you left it. 🎨 A Unique Modular Interface Unlike traditional extensions, KeyPitch offers a fully customizable workspace: • Drag & Drop: Freely rearrange each module (Pitch, Tempo, Reverb, etc.) to match your workflow. • Automatic memory: The interface remembers your preferred layout. • Modern design: Dark glassmorphism look, elegant and optimized to reduce eye strain during studio sessions or late-night use. 🌍 Now Available in Your Language The KeyPitch popup is now fully translated into every language supported by the Chrome Web Store, so you can work in the language you are most comfortable with. • Automatic: KeyPitch follows your browser language — nothing to configure. • Spotted a clumsy translation? Tell us at contact@keypitch.app and we will fix it in the next update. 🎹 Who is KeyPitch for? • 🎤 Singers: Transpose any song to your ideal key. • 🎸 Musicians: Slow down guitar solos or piano lines to transcribe them by ear. • 🎧 DJs & Producers: Experiment with live remixing and ambient effects directly on YouTube and YouTube Music. • 🎼 Students & Teachers: A powerful educational tool for ear training. 🔒 Technology & Privacy • Professional-grade quality: Ultra-low-latency DSP (Digital Signal Processing) engine for smooth real-time processing. • 100% Local: All audio processing happens directly in your browser. • Privacy-first: No data collection, no account required, no cookies. 🐛 Bug Fixes Thanks to your feedback, we fixed the desynchronization bug between the playback speed of the YouTube tab and the speed displayed in the KeyPitch popup. The two now always stay perfectly in sync. 💡 Help Us Build the Next KeyPitch KeyPitch is built in the image of its community — and it is, and will always remain, 100% free. Send us the improvements you would like to see at contact@keypitch.app. Your ideas genuinely shape the roadmap. Already planned: • Multi-site support: Spotify, Deezer, and more. • Side panel: Keep KeyPitch open beside your track instead of in a popup. • EQ: A full equalizer to shape your sound. KeyPitch turns YouTube into a true sonic laboratory. Music becomes more precise, more immersive, and entirely yours.