ShadowToolkit

CSS Box Shadow Generator

Generate custom CSS box shadows visually.

100% In-Browser
100% In-Browser PrivacyLocal

Your files and data are processed locally and never leave your device.

Box Shadow Controls

0px
12px
24px
-4px
12px
15%
Shadow Color
Live Preview
Layer Element
/* CSS Box Shadow */
box-shadow: 0px 12px 24px -4px rgba(0, 0, 0, 0.15);
border-radius: 12px;

What is CSS Box Shadow Generator?

CSS Box Shadow Generator crafts realistic, smooth, multi-layer drop shadows for modern web interfaces. Stack multiple shadow layers with varying blur radii and spread distances to eliminate harsh default CSS shadow edges.

Zero-Server Client-Side Guarantee

Unlike legacy online utilities that upload sensitive media and documents to remote cloud storage, Shadow Toolkit executes this entire operation directly within your browser's local runtime. Your raw data never crosses the network.

Key Capabilities

  • Multi-layer shadow stacking for ultra-smooth ambient occlusion and direct lighting
  • Granular slider controls: X-offset, Y-offset, Blur radius, Spread radius, Color, and Inset toggle
  • Real-time interactive card and button preview on light and dark backgrounds
  • 1-Click 'Copy CSS' button ready for standard CSS and Tailwind CSS classes
  • 100% private in-browser generator

Common Use Cases

1Creating soft, high-end Apple and Stripe-style layered card shadows for web designs
2Designing realistic inset button states and pressed UI components
3Replacing harsh single-layer CSS shadows with smooth multi-tier elevation tokens
4Creating consistent, accessible UI components and modern aesthetic design tokens for digital products

How to use CSS Box Shadow Generator

01

Adjust Sliders

Tune horizontal/vertical offsets, blur radius, and spread distance.

02

Add Shadow Layers

Click 'Add Layer' to blend a soft ambient shadow with a crisp direct shadow.

03

Copy CSS Code

Copy the generated box-shadow CSS rule into your stylesheet.

04

Copy CSS or Export Assets

Copy the generated production-ready CSS snippet, Tailwind classes, or SVG assets directly into your design system.

Frequently Asked Questions

In physical reality, light produces both an ambient diffuse glow (wide blur, low opacity) and a direct occluded contact shadow (tight blur, higher opacity). Layering reproduces this natural phenomenon.

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