Blob Generator — Create SVG Blob Shapes Online Free

Organic blob shapes add personality and softness to web designs that would otherwise feel rigid and boxy. Our Blob Generator creates random, organic SVG shapes that you can customize and download — perfect for hero backgrounds, section dividers, and decorative elements.

What Is a Blob Generator?

A blob generator creates smooth, organic shapes using randomized bezier curves. Each shape is unique, with controllable complexity (number of points) and randomness (how far points deviate from a circle). The output is a clean SVG that scales infinitely.

How to Use Our Blob Generator

1. Adjust the complexity slider to control how many points define the shape.
2. Set the randomness to control how irregular the blob appears.
3. Choose a fill color or gradient.
4. Click to generate new shapes until you find one you like. Download as SVG or copy the SVG code.

Why Use Blob Shapes in Design?

• Visual softness: Blobs break up the rigidity of rectangular layouts, creating a more organic, friendly feel.
• Unique branding: Every generated blob is unique, giving your design a custom look without hiring an illustrator.
• Versatile use: Use as background decoration, image masks, section dividers, or icon backgrounds.
• Lightweight SVG: The generated SVG is tiny — usually under 1KB — and scales perfectly to any size.

Common Use Cases

SaaS landing pages use colored blobs behind screenshots and feature sections to add depth and visual interest. A large, partially visible blob in the background creates a layered effect that feels modern and approachable.

Personal portfolios and creative agency sites use blob shapes as image masks, displaying photos inside organic shapes instead of boring rectangles.

App marketing sites use gradient blobs to create colorful, abstract backgrounds that convey energy and creativity without distracting from the content.

Tips and Best Practices

• Use low opacity (10-20%) for background blobs so they add subtle texture without competing with content.
• Pair blobs with your brand's accent color for a cohesive look. A single-color blob in your brand palette ties the element to the overall design.
• Position blobs partially off-screen for a more natural, expansive feel. A blob that is fully visible looks like a sticker; one that extends beyond the viewport feels like part of the environment.

Ready to try it? Use our free Blob Generator now — no signup required, works entirely in your browser.

Frequently Asked Questions

Is Blob Generator free to use?

Yes, Blob Generator on AnyTools.io is completely free with no usage limits, no signup required, and no premium tier. All features are available to everyone.

Is my data safe with this tool?

Blob Generator runs entirely in your browser using client-side JavaScript. No data is sent to any server — your input never leaves your device. You can verify this by opening browser DevTools and checking the Network tab.

Does Blob Generator work on mobile?

Yes, all tools on AnyTools.io are fully responsive and work on smartphones, tablets, and desktop browsers. No app download is required.