ShadowToolkit

CSS Glassmorphism Generator

Generate frosted glass CSS backdrop-blur effects.

100% In-Browser
100% In-Browser PrivacyLocal

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

Glassmorphism Controls

16px
25%
20%
16px
Live Preview
★

Glassmorphic Card

Real-time frosted glass with border light refraction and hardware-accelerated blur.

/* Glassmorphism Effect */
background: rgba(255, 255, 255, 0.25);
backdrop-filter: blur(16px);
-webkit-backdrop-filter: blur(16px);
border-radius: 16px;
border: 1px solid rgba(255, 255, 255, 0.20);
box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.2);

What is CSS Glassmorphism Generator?

CSS Glassmorphism Generator creates modern frosted glass UI components utilizing CSS backdrop-filter: blur(), semi-transparent background tints, subtle border highlights, and ambient box-shadows. Preview the effect over colorful abstract backgrounds.

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

  • Interactive controls for backdrop blur (px), background opacity, border stroke, and reflection angle
  • Dynamic background switcher: Colorful gradients, geometry, or custom image backdrops
  • Generates cross-browser CSS including -webkit-backdrop-filter vendor prefixes
  • 1-Click 'Copy CSS' and HTML card snippet export
  • 100% private in-browser tool

Common Use Cases

1Designing modern macOS and iOS-inspired translucent navigation bars, modal dialogs, and cards
2Creating subtle floating HUD elements over full-width hero videos or imagery
3Prototyping glassmorphic dashboard widgets for web applications
4Creating consistent, accessible UI components and modern aesthetic design tokens for digital products

How to use CSS Glassmorphism Generator

01

Adjust Glass Parameters

Use sliders to calibrate backdrop blur, card transparency, and border outline.

02

Test Over Backgrounds

Switch background patterns to evaluate frosted glass legibility.

03

Copy CSS Snippet

Copy the CSS rules including backdrop-filter and border styling.

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

The core properties are 'backdrop-filter: blur(Xpx)', a semi-transparent background (e.g., 'rgba(255, 255, 255, 0.2)'), and a subtle 1px translucent border ('rgba(255, 255, 255, 0.3)').

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