What is a placeholder image generator?

A placeholder image generator produces images with defined dimensions – no real photos. Developers and designers use them for layouts, image placeholders in UIs, or upload tests with specific pixel sizes.

dummyfiles.dev provides such a generator: set width and height, choose format (JPG, PNG, WebP, GIF, SVG). Optional: background colour, overlay text. Download or API, optional embedding via URL.

Features

Dimensions: Width and height freely configurable (pixels).

Formats: JPG, PNG, WebP, GIF, SVG.

Options: Background colour, overlay text (e.g. “800×600”).

API: GET with parameters for width, height, format, and optional filename. Use ?embed=1 for direct embedding in web pages.

Use cases

• Layout and UI development with placeholders
• Test image upload limits and validation
• Verify responsive designs with defined image sizes
• Automated tests/pipelines: reproducible test images

Highlights

• Any width and height
• JPG, PNG, WebP, GIF, SVG
• No registration, GET API
• Optional: embed via URL (embed=1)

FAQ

How do I use the placeholder image generator?

Homepage, “Image” tab: enter width and height, choose format, click “Create image”. Or call the API.

Can I embed the image in web pages?

Yes. With the embed=1 parameter the API returns an embeddable image. See the API documentation for details.

Which formats are supported?

JPG, PNG, WebP, GIF, and SVG.

Is this suitable for upload tests?

Yes. You get a valid image in the requested dimensions.

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