Generate Custom SVG Background Patterns Generate SVG-based repeating patterns for CSS backgrounds with various shapes.

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SVG Pattern Generator

Generate SVG-based repeating patterns for CSS backgrounds with various shapes.

Choose a pattern shape

Select from circles, squares, triangles, hexagons, crosses, or lines.

Customize appearance

Set foreground and background colors, size, stroke width, and opacity.

Copy the code

Preview the repeating pattern and copy the CSS or raw SVG code.

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What Is SVG Pattern Generator?

The SVG Pattern Generator creates repeating patterns using inline SVG elements embedded in CSS backgrounds via data URIs. This approach offers more shape variety than pure CSS gradients, supporting circles, squares, triangles, hexagons, crosses, and lines. Each pattern is generated as a small SVG tile that repeats seamlessly across the background. Controls include foreground and background colors, tile size, stroke width, and opacity. The tool outputs both the CSS (with SVG encoded as a data URI) and the raw SVG code. SVG patterns are resolution-independent, lightweight, and can be more complex than gradient-based patterns. They work in all modern browsers and can be easily customized by modifying the SVG markup.

Why Use SVG Pattern Generator?

Six shape options not possible with CSS gradients alone
Both CSS data URI and raw SVG output formats
Adjustable size, stroke width, and opacity for fine control
Resolution-independent SVG rendering at any scale

Common Use Cases

Branded Backgrounds

Create custom patterned backgrounds matching brand design language.

Design System Textures

Build consistent pattern assets for design system backgrounds.

Print Materials

Generate high-resolution patterns for print-ready designs.

Presentation Slides

Add subtle patterns to presentation slide backgrounds.

Technical Guide

SVG patterns are embedded in CSS using data URIs: background-image: url("data:image/svg+xml,..."). The SVG content is URL-encoded to be safely embedded in CSS. Each SVG tile defines the pattern unit with a specific width and height that becomes the background-size. When the SVG repeats (via default background-repeat: repeat), it creates a seamless pattern. SVG shapes — including circles, rectangles, and polygons — are defined using standard SVG elements within the tile. The fill and stroke attributes control appearance, while fill-opacity and stroke-opacity control transparency. For performance, keep these patterns simple — complex paths in small repeating tiles can impact rendering. The xmlns attribute is required for standalone SVG in data URIs. These patterns can also reference external SVG files for better caching and reusability.

Tips & Best Practices

1
Keep SVG patterns simple for better rendering performance
2
Use opacity to create subtle, non-distracting patterns
3
Match foreground color to your theme for cohesive design
4
Export the raw SVG for use in design tools like Figma

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Frequently Asked Questions

Q What is the advantage of SVG patterns over CSS patterns?

SVG supports more complex shapes like hexagons, triangles, and custom paths that are not possible with CSS gradients.

Q Are SVG data URIs performant?

Yes, inline SVG data URIs avoid HTTP requests and are typically small. They render efficiently for simple patterns.

Q Can I edit the SVG after generating?

Yes, copy the raw SVG output and modify it in any SVG editor or text editor.

Q Do SVG patterns work in all browsers?

Yes, SVG data URIs in CSS backgrounds are supported in all modern browsers.

Q Can I make the pattern larger or smaller?

Yes, adjust the size slider to change the tile dimensions and the density of the repeating pattern.

About This Tool

SVG Pattern Generator is a free online tool by FreeToolkit.ai. All processing happens directly in your browser — your data never leaves your device. No registration or installation required.