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Image & Video AI

Scumble

Scumble is a desktop image editor that connects AI image workflows to supported model APIs, ComfyUI or Comfy Cloud. It supports inpainting, editing, upscaling and image generation, returning each result as a separate layer for further masking, blending and filtering. The project is open-source under GPL-3.0.

Explore the practical guide ↓

Independent OpenViST project profile, based on linked sources.

Scumble — OpenViST project profile in Image & Video AI.
OpenViST project illustration. See the linked sources for product details.
Understand the project

Practical overview

When it fits

Use Scumble when an AI image change needs to remain a separate, adjustable layer, or when you want to combine image editing with a supported API provider or ComfyUI workflow.

Who it is for

  • Image editors who want AI-generated changes to remain editable as layers.
  • ComfyUI users who want to work with recipes from an image-editing canvas.
  • Users with supported provider API keys who want to render without setting up ComfyUI.

Documented uses

  • Inpaint a selected area of an existing image and keep the result on its own layer.
  • Generate an image from described regions marked with boxes on a blank canvas.
  • Edit or upscale images through a supported API provider or ComfyUI workflow.
  • Export a layered composition as PSD or OpenRaster.
Before you choose

Requirements & limits

The project describes Scumble as free and open-source under GPL-3.0 and says it needs no Scumble account. Windows 10 and 11 (64-bit) are documented; x64 Linux AppImage and .deb builds are listed as early builds the author had not run. macOS is planned, not started. API-provider use requires a provider key; the documentation says payment goes directly to that provider.

  • Rendering can use a provider API key, a user's own local or remote ComfyUI, or Comfy Cloud.
  • API-key setup is documented as requiring neither ComfyUI nor a separate server.
  • Every AI result returns as a layer that can be masked, blended, filtered and adjusted for colour match.
  • PSD and OpenRaster export retain layers and masks.
  • Windows is the documented primary platform; Linux builds are flagged as unrun by the author, and macOS is not yet underway.

Check current requirements in the official documentation. Source-based guidance does not mean OpenViST has run or independently tested this project.

Source-based practical guide

Connect Scumble to an image-model API

Set up provider credentials for rendering without a ComfyUI server.

Before you start

  • Scumble for Windows 10 or 11, 64-bit
  • An API key from a provider supported in Scumble

Steps

  1. Open Settings › API providers (Ctrl+,).

  2. Paste the provider API key and save it.

Expected outcome

Scumble has the saved provider credential for rendering; the documented API-key route does not require ComfyUI or a separate server.

Guide limitations

  • The provider may charge for API use; the documentation says payment goes directly to the provider.
  • The setup steps do not cover making or running an image edit.
Documentation 1 ↗
Evidence and transparency

Sources & review

Official repository ↗
Source record details
Source availability
Active
Sources checked
13 October 2026
Original website title
DenRakEiw/scumble · Official homepage title · retained in its source language
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