Placeholder Image Generator
11 toolsBuild a placeholder image data URL with custom size and color.
Runs in your browser — your files and text stay on your device
A complete kit of everyday developer utilities — generators, parsers, and quick references — all running client-side, with nothing to install.
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Data URL
How to use this tool
- 1Set width, height, colors, and an optional label.
- 2Preview updates live as an inline SVG.
- 3Copy the data: URL to use directly as an <img src> — no network request needed.
Frequently asked questions
Why a data: URL instead of a hosted placeholder service?
A data URL is self-contained and works completely offline, with no request to a third-party server.
Can I use this in production?
It's best for mockups, prototypes, and tests — for production, use a real image.