Skip to content

Placeholder Image Generator

What the Placeholder Image Generator does

The Placeholder Image Generator creates a custom-sized image with its pixel dimensions labeled directly on it, useful for mockups, wireframes, and development work where you need an image-shaped space held before real assets are ready.

How to use it

  1. Enter the width and height in pixels.
  2. Choose a background color.
  3. The placeholder image is generated automatically with dimensions labeled.

Common uses

  • Filling image slots in a wireframe or design mockup before final assets exist.
  • Testing how a layout handles images of specific dimensions during development.
  • Creating a labeled placeholder to communicate exact required image size to a designer.
  • Populating a CMS template with correctly sized dummy images during build-out.
  • Checking how differently sized images affect a responsive grid layout.

Good to know

Having the exact dimensions labeled directly on the image is what makes this more useful than a plain solid-color box during development — it lets you (or anyone reviewing the mockup) instantly confirm the image slot is the size it's supposed to be, without checking file properties separately.

Labeling placeholder images with their exact pixel dimensions is a small but meaningful convention borrowed from early web design mockup tools — it turns a placeholder from a pure visual stand-in into a functional communication tool that tells a developer or designer exactly what asset dimensions are actually required, without needing a separate spec document.

Frequently asked questions

Placeholder images are commonly used in design mockups and development to reserve space for content that isn't ready yet, showing the intended dimensions clearly.