Audio-Reactive Stream Overlays
Elevate your streams with live audio-reactive overlays. Works with OBS, Streamlabs, and any browser source. No watermarks. No subscription.
Visual Overlays
Canvas-drawn effects that layer on top of your visualizer and appear in your exported video.
Film Grain
Animated analog noise layered over any visualizer for a cinematic film-grain look.
CRT Scanlines
Horizontal scan-line overlay simulating a vintage CRT monitor.
Vignette
Smooth dark circular fade around screen edges, adding depth and focus.
Chromatic Aberration
Color fringe on screen edges mimicking lens chromatic aberration.
Soft Bloom
Soft glow bloom that pulses on every beat, adding energy and warmth on drops.
Glitch Bars
Random horizontal band offsets for a VHS glitch aesthetic.
Snow
Falling particle snowflakes with physics-based drift.
Bokeh Lights
Floating soft-glow circles with random drift, a dreamy depth-of-field effect.
Sparkles
Short-lived glowing star particles that burst on beats.
Rain Streaks
Diagonal streak particles simulating rain on glass.
Warm Grade
Semi-transparent warm amber tint with a golden hour feel.
Cold Grade
Semi-transparent cool blue tint with a night scene mood.
Vintage
Sepia tone combined with vignette for an old photograph aesthetic.
Cinematic Bars
Top and bottom letterbox bars for a widescreen cinematic aspect ratio.
Neon Border
Animated glowing neon border that hue-rotates and pulses with bass.
Using overlays in your video
Open any template in the editor and select an overlay from the Overlay panel. The effect renders directly onto your visualizer canvas and is included in your exported MP4. You can adjust opacity and combine any overlay with any engine.
Featured Overlays
One from each category. Open any overlay to preview it and add it in the editor.
Overlay Categories
15 overlay styles across 4 categories
Visual FX
6 stylesGrain, scanlines, glitch, bloom and lens effects layered over any visualizer.
Ambient
4 stylesSnow, rain, bokeh and sparkles drifting over the frame.
Color Grade
3 stylesWarm, cold and vintage tints that set the mood of the whole picture.
Frame
2 stylesLetterbox bars and borders that frame the visualizer.
OBS & Streamlabs Setup
Export as WebM
Use the transparent background export option in the editor
Add Browser Source
In OBS: + → Browser Source → set URL to local file or hosted link
Set size to 1920×1080
Match your stream canvas dimensions
Enable audio capture
Connect OBS Desktop Audio to the overlay's audio input
Why use Novus overlays?
Real-time audio reactive
Overlays respond to your music live: every beat, every drop
Transparent background
Export with alpha channel transparency, ready for OBS Browser Source
Free & copyright-free
All overlays are free to use on any stream. You own your exports.