KeyShift - Pitch Shifter, Speed & A-B Loop Tool

Professional pitch shifter, speed control, and looping tool for any audio or video on the web.

Take full control of your audio and video playback with KeyShift—the ultimate professional toolkit for musicians, singers, and language learners. Whether you’re practicing a difficult guitar solo, transposing a song to fit your vocal range, or looping a specific section of a tutorial, KeyShift makes it effortless. KeyShift works seamlessly on any website, including YouTube, Spotify, SoundCloud, and Netflix, allowing you to manipulate audio in real-time without losing quality. Core Features: Precision Pitch Shifting: Change the key of any song (+/- 12 semitones) in real-time. Perfect for vocalists and instrumentalists who need to practice in different keys. Dynamic Speed Control: Slow down complex sections to 0.25x or speed them up to 4.0x without affecting the pitch. Professional A-B Looping: Mark a start (A) and end (B) point to repeat any section of a video or audio track. Ideal for learning riffs, dance moves, or foreign languages. Stereo Panning & Balance: Adjust the left/right audio balance to isolate specific instruments or vocals in a mix. Universal Compatibility: Works on virtually every web-based audio and video player. Who is KeyShift for? Musicians: Transpose songs to your instrument's tuning or slow down fast solos to learn them note-for-note. Singers: Adjust the pitch of backing tracks to perfectly match your vocal range. Dancers: Loop specific choreography sections and adjust speed for easier practice. Language Learners: Slow down native speakers and loop difficult phrases to master pronunciation. Content Creators: Fine-tune audio playback while reviewing your work. Go Pro for Studio-Grade Features: Upgrade to KeyShift Pro to unlock the full power of your browser's audio engine: Extended Pitch Range: Up to +/- 24 semitones for extreme transpositions. Studio Volume Boost: Amplify your sound up to 600% for quiet recordings. Smart Presets: Automatically save your pitch and speed settings per website. Advanced Panning: Enhanced stereo control for professional audio analysis. Stop struggling with fixed playback settings. Install KeyShift today and start listening your way!