Youtube Light Visualizer

📦 v1.0

💾 13.65KiB

📅 2026-04-26

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Overview

Real-time music-reactive light show that overlays directly on YouTube videos, syncing colors and effects to the beat.

Overlays a music-reactive light show directly on any YouTube video. No microphone needed — it taps the video's audio stream directly.

Features:
- 4 visual scenes: Club sweep, Laser grid, Strobe, Particle rain
- 7 color schemes: Warm, Cold, Fire, Arctic, Neon, Auto, Rainbow
- Real-time beat detection using spectral flux onset analysis
- Live BPM estimation with median filter
- Multi-band EQ meters (Sub, Bass, Mids, Highs)
- Adjustable sensitivity and opacity
- Settings saved between sessions

How to use:
1. Open any YouTube video and press play
2. Click the ◈ Light Viz button (bottom-right of page)
3. Click ⚙ to change scene, colors, and sensitivity