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Template·Image & Design

Split a Channel

Pull one colour channel out as its own image. A quick way to inspect where an artefact lives, or to build a mask from one channel. Local pixel work - no model, no key, no cost.

Split a Channel — example output from the NodeTool workflow

The workflow

Workflow Editor
Image Input
Channels
Image
Output

Nodes in this workflow

3 nodes · 3 types
  • Channels
    nodetool.image.Channels
  • Image Input
    nodetool.input.ImageInput
  • Output
    nodetool.output.Output

How to run it

  1. 01

    Download NodeTool Studio

    Install the free desktop app for macOS, Windows, or Linux. It runs on your own machine, no account required to start.

  2. 02

    Open the Split a Channel template

    Browse the built-in template library inside Studio and open this workflow onto the canvas. Every node is already wired up.

  3. 03

    Add your keys

    Connect the providers this workflow uses (Channels, Image Input). Bring your own keys — you pay the provider directly.

  4. 04

    Run and remix

    Hit Run to execute the graph and watch results stream in. Swap models, edit prompts, or rewire nodes to make it yours.

Run Split a Channel on your machine

Free, open source, and yours to run. Download Studio, open the template, and run it with your own keys.