Image Placeholder

Image Placeholder Generator

Create custom image placeholders for mockups, docs, UI components, and prototypes with simple URLs and copy-ready developer snippets.

  • Any size up to 4000 px
  • Copy a URL, HTML, Markdown, or JSX
  • PNG and SVG downloads

Quick mode

The full workspace addsSave with a nameShare linksReopen saved workYour work comes with you

Use it as a URL

A placeholder is just a link.

Put the size in the path and style it with query parameters. It works anywhere an image URL does: an<img>tag, Markdown, CSS, or a design mock. Images are SVG, so they stay sharp at any size.

/placeholder/600x400?text=Product+shot&style=dark&pattern=dots
ParameterWhat it does
/placeholder/600x400Width ร— height, up to 4000 each
text=HelloThe label; defaults to the size
bg=0f172aBackground colour, hex without #
color=f8fafcText colour, hex without #
style=darkminimal, grid, gradient, dark, or glass
pattern=gridplain, grid, diagonal, dots, or minimal
radius=24Corner radius in pixels
fontSize=48Text size; automatic when left out
brand=0Hides the small useSignal label

URL-first placeholders

Create mock image URLs that are easy to paste into HTML, docs, markdown, prototypes, and component demos.

Design-safe defaults

Start from clean colors, readable typography, and subtle patterns instead of loud placeholder blocks.

Snippets ready

Copy the direct URL, HTML image tag, Markdown image, React image, or CSS background snippet from one workspace.

Placeholder image URLs for real developer workflows

Create custom image placeholders for mockups, docs, UI components, and prototypes with simple URLs and copy-ready developer snippets.

Why use it

Why use this image placeholder generator

Create placeholder image URLs by size instead of hunting for throwaway assets during UI work.

Customize text, colors, radius, and subtle patterns so placeholders fit mockups and docs cleanly.

Copy direct URLs, HTML, Markdown, React, and CSS snippets from one browser-native workspace.

Save and share placeholder configurations when you want teammates to reuse the same mock image shape.

How it works

How placeholder URLs work

  1. 1

    Choose a preset or enter custom width and height values.

  2. 2

    Tune text, colors, pattern, and radius while the preview updates instantly.

  3. 3

    Copy the direct /placeholder URL or a developer snippet for your component, README, or prototype.

Use cases

Placeholder image use cases

Generate Open Graph placeholders before final social preview artwork is ready.Create avatar, card thumbnail, banner, mobile screenshot, or desktop preview stand-ins.Paste stable placeholder URLs into documentation, storybook states, or UI mockups.Share a placeholder configuration with a teammate so both designs use the same image dimensions.Use custom placeholder images while testing layout behavior around aspect ratios and image loading.

FAQ

Image placeholder questions

Can I use the generated URL directly in HTML?

Yes. Copy the direct placeholder URL or the generated HTML img tag and paste it into your page, docs, or prototype.

Can I customize placeholder size and text?

Yes. You can set width, height, text, colors, border radius, and pattern style in the tool or with query parameters, then download PNG or SVG.

Does this require uploading images?

No. Image Placeholder generates lightweight placeholder images from URL settings, so there is no upload step.

Is this free to use?

Yes. The placeholder generator is free to use in the browser without login.

Can I share placeholder configurations?

Yes. Save or share a workspace link to restore the same placeholder size, text, colors, radius, and pattern later.

Is this an alternative to via.placeholder.com?

Yes. The URL API uses the same size-in-path pattern โ€” /placeholder/300x200 โ€” with extra query parameters for text, colors, radius, and pattern styling.

Popular use cases

Related useSignal tools