Reactor Studio Open App

Streaming & Overlay Guides

Practical guides for building reactive stream overlays and visual effects with Reactor Studio.

Animated Stream Overlay Maker — Design Your Own in the Browser

Skip the template marketplaces: generate custom animated stream overlays from your own artwork with AI shaders, tune them live, and export one file for OBS.

How to Add an Audio-Reactive Overlay to OBS (Browser-Based)

Step-by-step: build an audio-reactive overlay in your browser with Reactor Studio and add it to OBS as a transparent browser source — no coding, no plugins.

Audio Visualizer Overlay for OBS: 16-Band Spectrum Bars

Add a real audio visualizer to your stream: 16 frequency bands with peak hold, rendered as WebGL shaders on your own artwork, exported as one OBS-ready file.

OBS Browser Source Effects: Add Live Effects Without Plugins

What OBS browser sources are, why they beat video loops for overlays, and how to create your own WebGL effects for them without writing code.