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Diffusion Glow

by HOROPTR·VFX

Images © HOROPTR. Used for product review; image policy.

Why we like it

Diffusion Glow earns its place in the aescripts library as a GPU-accelerated glow for DaVinci Resolve and Fusion Studio, pairing pixel and spectral dispersion with core-to-edge coloring and three decay modes.

What is Diffusion Glow?

Diffusion Glow is a GPU-accelerated glow plugin for DaVinci Resolve and Fusion Studio, from developer HOROPTR. Its output is resolution independent, and it is accelerated with CUDA on Windows and Metal on macOS.

The effect supports both pixel and spectral dispersion, and you can color the glow from its core through to its edge. Three decay modes are available for different looks. HOROPTR describes it as the last glow plugin you will ever need.

Diffusion Glow is compatible with DaVinci Resolve versions 16 through 21. Version 1.0 is the initial release, published on March 17, 2026. This catalog lists the plugin as free; see the developer's page for current licensing details. As the initial release, there is no earlier version history to review.

Who is Diffusion Glow best for?

Diffusion Glow is best for adding glow in DaVinci Resolve and Fusion Studio, with control over pixel and spectral dispersion, glow color from core to edge, and three decay modes.

How much does Diffusion Glow cost?

Diffusion Glow is completely free to download and use.

Key features

  • Resolution independent output
  • Pixel and spectral dispersion
  • Color the glow from core to edge
  • Three decay modes for different looks
  • CUDA acceleration on Windows and Metal on macOS

Tags

#glow#diffusion#DaVinci Resolve#Fusion Studio#GPU-accelerated#dispersion#VFX

Frequently asked questions

Does Diffusion Glow work with DaVinci Resolve 18?

Diffusion Glow lists compatibility with DaVinci Resolve versions 16, 17, 18, 19, 20 and 21, so version 18 is covered. It is built for both DaVinci Resolve and Fusion Studio, running on CUDA on Windows and Metal on macOS. Version 1.0 is the initial release, published on March 17, 2026. For confirmation against your exact build and operating system, check the developer's page before installing, since compatibility can depend on your specific hardware and driver setup.

Does Diffusion Glow use CUDA or Metal?

Diffusion Glow is a GPU-accelerated plugin. On Windows it runs on CUDA, and on macOS it uses Metal. This applies to its use in both DaVinci Resolve and Fusion Studio, and its output is resolution independent. For details on supported GPUs and any driver or hardware requirements, refer to the developer's page, since those specifics are best confirmed there before installing.

Is Diffusion Glow free to download?

Diffusion Glow is listed as free in this catalog. Pricing and licensing terms can change, so for current details you should check the developer's page directly. The plugin is at version 1.0, its initial release from March 17, 2026, and works with DaVinci Resolve versions 16 through 21 as well as Fusion Studio. Confirm the latest licensing terms on the developer's page before downloading.

What decay modes does Diffusion Glow include?

Diffusion Glow includes three decay modes for different looks. Alongside these, it supports pixel and spectral dispersion and lets you color the glow from its core through to its edge. The plugin is GPU-accelerated, using CUDA on Windows and Metal on macOS, and its output is resolution independent. For a closer look at each mode, the developer's page is the place to check.

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