Custom Sizes

Any width & height instantly.

Multiple Formats

PNG, JPEG & WebP supported.

Custom Colors

Pick background and text.

Instant Download

Download directly.

Generate placeholder images with custom dimensions, formats, and exact file sizes. Perfect for testing uploads, bandwidth limits, and UI mockups.

A dummy image generator is a browser-based tool that creates temporary image assets for development, design, and QA workflows without uploading files to a server.

W
H
Downloaded file will be exactly this size
Click Generate to preview your image
All images are generated locally. Your data never leaves your browser. Downloaded file size is guaranteed accurate.
800
Width (px)
600
Height (px)
100 KB
Target Size
PNG
Format
Quick File Sizes
Quick Dimensions

Free Online Dummy Image Generator

Create custom placeholder images for your web projects instantly. Whether you're designing a website, testing layouts, or need temporary images for development, our Dummy Image Generator provides high-quality placeholder images in multiple formats and sizes.

Why use this tool?

Our Dummy Image Generator is 100% free and runs entirely in your browser. No uploads, no signups, no limits. Key features include:

  • Custom Sizes: Generate images with any width and height you need, from thumbnails to large banners.
  • Multiple Formats: Choose from PNG, JPEG, or WebP formats to match your project needs.
  • Instant Download: Download your images immediately without any delays or watermarks.
  • Responsive Design: Works perfectly on desktop, tablet, and mobile devices.
How to use Dummy Image Generator effectively
  1. Choose your width and height for the layout, card, banner, or preview slot.
  2. Pick PNG, JPEG, or WebP based on transparency, compatibility, or file-size needs.
  3. Set a target file size if you need to match upload limits or bandwidth constraints.
  4. Adjust background and text colors to match your design system or prototype.
  5. Generate the preview first, then download the image for direct use in your workflow.
Practical use cases

Teams use dummy images for staging builds, empty states, product mockups, CMS placeholders, upload testing, and quick quality assurance on responsive layouts.

Technical benefits

Because the tool runs locally in your browser, it is fast, privacy-friendly, and ideal for repeated content workflows where you need consistent placeholder assets.

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Frequently Asked Questions

Is this tool completely free?

Yes, the Dummy Image Generator is free to use with no signup, no watermark, and no download limit.

What formats are supported?

The tool supports PNG, JPEG, and WebP so you can choose transparency, compatibility, or smaller file sizes.

Is there a file size limit?

You can generate images from tiny thumbnails up to larger assets, and the file-size controls are designed for common upload and testing limits.

Can I use generated images commercially?

Yes, generated placeholder images are suitable for development, testing, demos, and commercial design workflows.

Do I need to sign up to use this tool?

No signup is required. You can generate and download placeholder images immediately in your browser.