Placeholder Image Generator
Dimensions
Colors
Text
Preview
600 × 400Size Presets
What This Tool Does
Placeholder Image Generator is built for deterministic developer and agent workflows.
Generate custom placeholder images with configurable dimensions, colors, and text — download as PNG.
Use How to Use for execution steps and FAQ for constraints, policies, and edge cases.
Last updated:
This tool is provided as-is for convenience. Output should be verified before use in any production or critical context.
Agent Invocation
Best Path For Builders
Browser workflow
Runs instantly in the browser with private local processing and copy/export-ready output.
Browser Workflow
This tool is optimized for instant in-browser execution with local data handling. Run it here and copy/export the output directly.
/placeholder-image/
For automation planning, fetch the canonical contract at /api/tool/placeholder-image.json.
How to Use Placeholder Image Generator
- 1
Set dimensions
Enter width and height in pixels. Pick a preset (Square, Thumbnail, Banner, OG Image) or enter custom dimensions. Max 4096×4096 px.
- 2
Pick background and text colors
Click color picker for background color, then text color. Use brand colors or high contrast for readability. Enter or paste hex codes directly in text fields.
- 3
Add optional custom text
Type custom text (e.g., 'My Placeholder') or leave empty for dimensions to display (500×500). Text auto-scales to fit the image.
- 4
Download or copy to clipboard
Click 'Download PNG' to save as file, or 'Copy Data URL' to copy image data. Use Data URL directly in img src for quick prototyping.