Dummy Image Generator Image support

Create dummy/placeholder images with custom size, color, and text. Download as PNG/JPEG.

Data is never sent to the server. Everything runs locally in your browser. Safe for sensitive information.

About this tool

Generate placeholder images for mockups by specifying width, height, background color, and text. Includes presets for OGP (1200×630), Instagram (1080×1080), and more. Download as PNG or JPEG.

Need a placeholder image for your wireframe or mockup? Instead of relying on external placeholder services that might go down, generate your own dummy images right here. Choose from common presets like OGP or Instagram sizes, customize colors and text, and download instantly.

Tool interface

Usage

  1. Enter dimensions or select a preset (OGP, Instagram, etc.)
  2. Customize background color, text color, and label
  3. Preview and download as PNG or JPEG

When to use

Mockup design, wireframe placeholders, presentation dummy images.

Examples

800×600 gray → mockup, 1200×630 blue → OGP test, 1080×1080 → Instagram.

FAQ

What size for OGP?

1200×630px is recommended for Twitter/Facebook sharing. Available as a preset.

Can I use these commercially?

Yes. Generated images are free to use for any purpose, commercial or personal.

Is Dummy Image Generator free?

Free to use, no sign-up required.

Is data sent to a server?

Input is processed locally in your browser—nothing is sent to our servers.

Supported browsers?

Tested on recent Chrome, Edge, Firefox, and Safari.

Offline use?

Core features work offline after the first load.

vs CLI or desktop apps?

Dummy Image Generator is an install-free online alternative to CLI or desktop apps.

When to use it?

Use it when: Mockup design, wireframe placeholders, presentation dummy images.

Usage example?

Example: 800×600 gray → mockup, 1200×630 blue → OGP test, 1080×1080 → Instagram.

Main features?

Custom size/color/text, OGP/SNS presets, PNG/JPEG download, Fully local

How is this different from similar tools?

Dummy Image Generator runs in the browser with no install—ideal for quick checks before heavier CLI or IDE workflows.

Search keywords

dummy, placeholder, mockup, image generator

Basic workflow

  1. Enter dimensions or select a preset (OGP, Instagram, etc.)
  2. Customize background color, text color, and label
  3. Preview and download as PNG or JPEG

Practical use cases

  • Mockup design, wireframe placeholders, presentation dummy images.
  • Generate placeholder images for mockups by specifying width, height, background color, and text. Includes presets for OGP (1200×630), Instagram (1080×1080), and more. Download as PNG or JPEG.
  • Custom size/color/text
  • OGP/SNS presets

Privacy & data handling

Input is processed locally in your browser—nothing is sent to our servers.

Things to watch out for

  • Always double-check before pasting output into production
  • Try incognito if extensions break the page
  • Wait for processing on large inputs

Related learning content

Related tools

Tool set

Image Workflow Set