Background Generator
Design a repeating pattern with adjustable spacing and colors. Export a raster image at your chosen dimensions or use the CSS for a responsive background.
The interactive tool loads here when JavaScript is enabled. Files and inputs are processed in your browser.
How to use Background Generator
- Select a pattern
- Choose colors and spacing
- Set PNG width and height
- Download PNG or copy the CSS
Practical example
Create a 1200 × 630 dotted background for a presentation cover.
What should I check before using the result?
CSS repeats to fill its container; a PNG has fixed dimensions. Pattern alignment can differ slightly between renderers.
Is Background Generator free and private?
Yes. This tool runs in your browser without login, paid AI services or file uploads. Copying or downloading does not add you to the waitlist.
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