YT VJ — Octave, Warp & Visual FX

Audio-reactive pitch, warp, and visual effects rack for YouTube.

Turn your browser into a real-time VJ/DJ rig, and add live visual and audio effects to any YouTube video. No local software to download, no exporting, and no render queue. Just a YouTube link and your creativity. Note: This extension is for standard YouTube videos, not shorts. ===== For DJs, VJs, video artists, and anyone who performs or improvises visuals on the fly, or just wants to have fun. 29+ effects, fully mixable and customizable — layer them freely. Visual FX • Color grading — five live curves (Red, Green, Blue, White, Black) plus distortion and grain, nudged from the keyboard in real time • Trail — video feedback/reverb; bright content leaves ghost trails that decay at whatever rate you set • Warp — cursor-driven pixel smear that follows your mouse across the frame• Tessellation — fold the screen at sharp angles. *Note: This feature works exclusive of other features like grain, visual distortion and color grade. When this feature is selected, those will not appear. • Topography — organic ripples and shading *Note: This feature works exclusive of other features like grain, visual distortion and color grade. When this feature is selected, those will not appear. • Shape mosaic — pixellate using various shapes and scales • Point clouds — beat-reactive 3D clouds that move with the music • Freeze-frame metal photos— a screenshot of the current screen on a moving card with a liquid-metal finish • Flood transitions — an animated wipe of shapes sweeps across the frame for clean scene changes Audio FX • Auto Filter, Auto Panner, Auto Wah, Phaser, Tremolo, Vibrato • Pitch Shift — shift pitch independently of playback speed • Frequency Shifter — frequency shifting = weirdo metallic, alien tones • Beat Repeat — capture and stutter-loop the last slice of audio • Distortion — waveshaping and harmonic drive = crunch and grit • Chorus — buttery texture and "thick" vocals • Feedback Delay, Ping Pong Delay, Reverb = echo, stereo-bouncing delay, and ambient space for all the space cadets. • Stereo Widener — pulls the stereo band wider, creating a spacious "3D audio" feel How you control it • A translucent on-page overlay that floats over the video without blocking YouTube's own UI • A pop-out, resizable controller window if you want your rack on a second screen • A full keyboard shortcut & hotkey menu • Your setup stays consistent. Controller settings autosave and restore automatically, even through video changes. MIDI (optional) Open more flow and expressiveness by plugging in any class-compliant MIDI controller to your laptop. Mix parameters, adjust timing, intensity, and find your pocket.