Generators

Placeholder Image Generator

Create placeholder images for UI mocks, blog covers, OG image drafts and design systems.

Quick answer

Create clean placeholder images instantly for wireframes, blog headers, social previews and design work. Set the size, generate the image in your browser and download it right away.

Overview

This client-side placeholder image generator uses canvas to create simple, fast placeholder graphics without uploading files. It is useful for mockups, content drafts and design systems when you need a temporary image with the right dimensions.

Use cases

  • UI and app mockups
  • Blog cover drafts
  • Open Graph image previews
  • Landing page design systems
  • Email and newsletter layouts
  • Prototype assets for presentations

How it works

  1. 1

    Enter the desired width and height.

  2. 2

    Choose optional styling or text settings if available.

  3. 3

    Generate the placeholder image in your browser.

  4. 4

    Preview the result and download it as needed.

Examples

Blog header draft

Input: 1200 × 630

Output: Ready-to-use placeholder image for a cover or social share preview.

Useful for article visuals before final artwork is available.

Product mockup

Input: 800 × 600

Output: Simple placeholder graphic for interface layouts.

Helps keep spacing and composition consistent during design.

FAQ

What is a placeholder image generator used for?

It creates temporary images for layouts, drafts and prototypes when the final visual is not ready.

Can I use it without uploading a file?

Yes. It generates the image locally in your browser, so no upload is needed.

What sizes can I create?

You can create any common custom size for banners, thumbnails, cards and social previews.

Is the generated image downloaded automatically?

No. You preview it first and then download it when you are ready.

Placeholder Image Generator | Create Quick Mockup Images | ConvertBase.app