Updated: August 2026 • Verified v1.2

CSS Box Shadow Generator & Elevation Builder

Creative & DesignDesign

Local Browser Execution: Your input is processed locally in your browser and is not sent to UTL servers.
CSS Box Shadow: box-shadow: [inset] X Y Blur Spread Color;
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Understanding Your Results

Renders an interactive preview card, allows slider adjustments for offsets and blur, and generates production-ready `box-shadow` CSS rules.

Practical Guidance & Next Steps

Negative spread values create smooth, realistic floating elevation shadows without dark edges.

What is this?

A frontend design utility that visually generates clean CSS `box-shadow` code snippets.

How does it work?

1. Adjust sliders for X offset, Y offset, Blur, Spread, and Opacity. 2. Choose from elevation presets (Subtle, Card, Modal, Glow, Inset). 3. Copy the cross-browser CSS code in 1 click.

Why use it?

Creates professional UI depth, card elevation, and glowing hover effects without guessing pixel values.

Technical Scope & Calculation Limitations

Generates standard CSS3 `box-shadow` syntax compatible with all modern browsers.

Frequently Asked Questions

Blur radius softens and disperses the shadow edge, while spread radius expands or contracts the physical size of the shadow.
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