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CSS Box Shadow & Glow Generator Online

Generate modern, smooth CSS box shadows, colored glows, and ambient elevation layers visually. Copy clean CSS and Tailwind CSS classes with one click.

CSS Box Shadow & Glow Generator

Interactive visual shadow tuning with instant standard CSS and Tailwind CSS outputs.

Offset X0px
Offset Y12px
Blur Radius24px
Spread Radius-4px
Shadow Opacity25%
Shadow Tint:
Preview Card
CSS box-shadow:
box-shadow: 0px 12px 24px -4px rgba(0, 0, 0, 0.25);
Tailwind Class:
shadow-[0px_12px_24px_-4px_rgba(0,0,0,0.25)]

What is CSS Shadow Generator?

Natural, modern elevation in UI design requires multi-layered, smooth box shadows rather than harsh default browser shadows. TechUsar’s CSS Box Shadow & Glow Generator lets you visually manipulate horizontal offset, vertical offset, blur radius, spread, opacity, and color accents to craft refined card elevations, glowing neon buttons, and subtle dark-mode depths.

Key Capabilities & Features

Interactive visual sliders for X-offset, Y-offset, blur radius, spread, and shadow opacity.
Real-time live preview container supporting light, dark, and colored surfaces.
Generates standard CSS box-shadow declarations and equivalent Tailwind CSS custom utility classes.
Supports smooth layered ambient glow effects.

Who Is This Tool For?

• UI/UX designers styling modern web components.
• Frontend engineers writing Tailwind CSS and custom stylesheets.
• Designers seeking realistic elevation and depth without Photoshop.

How to Use the CSS Shadow Generator Step-by-Step

  1. 01Adjust the X and Y offset sliders to position the light source.
  2. 02Increase blur radius for softer, diffused ambient shadows.
  3. 03Adjust opacity and color to match your brand design tokens.
  4. 04Copy the generated CSS or Tailwind snippet directly into your project.

Practical Examples & Usage Scenarios

Subtle Modern Card Elevation
INPUT:
X: 0px | Y: 8px | Blur: 24px | Spread: -4px | Color: rgba(0,0,0,0.08)
OUTPUT:
box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.08);

Provides natural physical elevation without harsh dark lines.

Production Use Cases

Design System Token Creation

Establish consistent elevation layers (shadow-sm, shadow-md, shadow-lg) for your React component library.

Frequently Asked Questions

Why do modern UIs use negative spread values?

A negative spread radius shrinks the shadow size relative to the box, preventing side bleed and creating a natural downward light perspective.

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