CSS Background Pattern Generator
Generate pure CSS geometric patterns: polka dots, architectural grids, diagonal stripes, checkerboards, and zig-zags with interactive sizing, spacing, and opacity controls.
/* Generated pattern CSS */Curated Pattern Presets
Click any preset to apply it immediately to the generator.
How to Use the Background Pattern Generator
Choose Pattern Geometry
Pick from dots, grids, stripes, diagonal stripes, or checkerboards from the style menu.
Customize Size & Spacing
Adjust the size slider to scale the repeating cells and tune the spacing slider to control overall pattern density.
Copy CSS Code
Copy pure CSS rules that utilize radial-gradient or linear-gradient with zero external image dependencies.
Pure CSS Patterns vs Heavy Image Files
0 KB Network Overhead
Unlike PNG or SVG patterns that require network requests, pure CSS background patterns load instantly with zero HTTP requests.
Retina Sharp on Any Screen
Because CSS gradients are mathematically computed by the browser renderer, your patterns remain ultra-crisp at 4K and Retina scales.
Standalone PNG Export
Export high-resolution PNG image tiles for non-web environments like Adobe Illustrator, Figma, Canva, or presentation slides.
Frequently Asked Questions
CSS patterns leverage the background-size and background-image properties with repeating linear or radial gradients. The browser repeats these small mathematical tiles across the element's entire bounding box.
Yes. You can smoothly animate background-position with CSS keyframes to create scrolling background lines, floating dots, or animated grid effects.