On-Demand Dynamic Image Generation
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Effortlessly create custom images on demand with this n8n workflow. Define image properties like size, colors, text, and font, then automatically generate visual assets via an external API.
About This Workflow
This n8n workflow provides a powerful yet simple solution for on-demand image generation. Triggered manually, it first establishes a set of customizable image properties, including dimensions, background and text colors, the overlay text itself, font size, and font family. These parameters are then dynamically passed to an external image generation API (like dummyjson.com/image). The workflow handles the HTTP request, fetches the generated image, and makes it available for subsequent actions. Ideal for quick visual asset creation, prototyping, or integrating into larger content pipelines.
Key Features
- Dynamic Image Generation: Automatically creates images based on predefined or variable inputs.
- Full Customization: Easily set image dimensions, background color, text color, overlay text, font size, and font family.
- API Integration: Seamlessly integrates with external image generation services using the HTTP Request node.
- Manual Trigger: Conveniently initiate the image generation process with a single click for testing and ad-hoc use.
- Extensible: The output image can be further processed, saved, or uploaded to other platforms.
How To Use
- Import the workflow: Download the JSON and import it into your n8n instance.
- Customize Image Properties: Open the
Set Image Propertiesnode. Modify thesize,backgroundColor,textColor,text,fontSize,fontFamily, andtypevalues to match your desired image specifications. Feel free to use n8n expressions (={{ $json.someVariable }}) to make these dynamic from previous nodes. - Run the Workflow: Click the "Test workflow" button in the
When clicking ‘Test workflow’node to execute the image generation. - View Output: Inspect the output of the
Fetch Image from APInode to see the generated image data, including the image URL. You can then add more nodes to save, upload, or use this image in other applications.
Apps Used
Workflow JSON
{
"id": "0471fa15-f012-40e9-ade6-19dd1c1841e6",
"name": "On-Demand Dynamic Image Generation",
"nodes": 14,
"category": "Marketing",
"status": "active",
"version": "1.0.0"
}Note: This is a sample preview. The full workflow JSON contains node configurations, credentials placeholders, and execution logic.
Get This Workflow
ID: 0471fa15-f012...
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