Audio-Reactive Shader Overlay OBS

Create Audio-Reactive Shader Overlays for OBS

ShaderBot is a free online GLSL shader editor that creates stunning audio-reactive overlays for OBS Studio. Write custom fragment shaders that respond to audio input in real-time, preview them with your microphone or desktop audio, and export them as OBS Browser Source overlays.

How to Use ShaderBot with OBS

1. Open ShaderBot in your browser and navigate to the shader editor
2. Write or paste your audio-reactive GLSL fragment shader code
3. Enable audio input — ShaderBot uses your microphone or desktop audio
4. Preview the shader in real-time with the built-in WebGL renderer
5. Export the shader as an HTML file with embedded audio analysis
6. Add the exported HTML as a Browser Source in OBS Studio

OBS Integration Features

• Browser Source — Export shaders as self-contained HTML files that work directly as OBS Browser Sources.
• Audio Input — Shaders respond to microphone or desktop audio in real-time using Web Audio API.
• Real-time Preview — See your shader react to audio before exporting to OBS.
• Low Latency — Optimized for streaming with minimal CPU/GPU overhead.

ShaderBot Features for Streamers

• 452+ preset shaders including audio-reactive visualizers
• Real-time WebGL preview with audio input
• Standard GLSL uniforms: iTime, iResolution, iChannel0-3
• One-click export to OBS Browser Source format
• Discord bot integration — share overlays with your community
• AI shader generator — describe your visual effect and get GLSL code

Popular Audio-Reactive Shader Categories

Browse ShaderBot's library of free audio-reactive shader presets including spectrum analyzers, waveform visualizers, particle systems, and more. All presets are free and can be customized to match your stream's aesthetic.