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Design & CSS · runs locally

CSS Background Pattern Generator

Create lightweight dots, grid or diagonal-stripe backgrounds from CSS gradients, with controlled spacing, stroke width and colors instead of image assets.

Ready. Your working data stays in this browser.

Why this tool is useful

Add a crisp, scalable texture to hero areas, cards or empty states without shipping a raster background or making an extra request.

How it works

The chosen pattern selects a reviewed gradient formula, while spacing and line size are clamped so the preview and copied CSS remain predictable.

Practical example

Build a 20-pixel blue dot grid over a pale background for a dashboard header and reuse the result at any screen density.

Validation

The calculation is deterministic and explains validation errors instead of silently changing invalid input.

Privacy boundary

Input and output remain in this tab. Copy and download happen through browser APIs without a server upload.

Result passport

Every run reports its tool mode, timestamp and input/output size so transformed data can be audited.