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CSS Glassmorphism & Frosted Glass Generator

Create beautiful translucent glassmorphic components with real-time blur, background opacity, outline, and shadow controls. Copy clean CSS and Tailwind code instantly.

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Glass Parameters
Backdrop Blur16px
Surface Opacity25%
Glass Tint
Border Width1px
Border Opacity30%
Corner Radius20px
Box Shadow Depth
Test Background:
Glass UI16px blur

Frosted Glass Card

Translucent elements float effortlessly above high-contrast wallpapers. Text remains crisp and readable.

Generated Stylesheet
.glass-card {
  background: rgba(255, 255, 255, 0.25);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(255, 255, 255, 0.30);
  border-radius: 20px;
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.18);
}

What is Glassmorphism in Modern UI Design?

Glassmorphism is a popular UI design aesthetic characterized by background blur (frosted glass appearance), translucent floating surfaces, subtle border highlights mimicking physical glass edges, and delicate drop shadows for elevation.

How the CSS Works

The secret behind authentic glassmorphism is combining backdrop-filter: blur(Xpx) with a semi-transparent rgba() background color and a thin, semi-opaque border. Unlike traditional opacity which turns the entire element (including child text) translucent, backdrop-filter blurs only the background pixels beneath the card while preserving 100% sharp text readability.

MultiToolX automatically includes the vendor prefix -webkit-backdrop-filter to ensure complete compatibility across Safari, iOS WebKit, Chrome, Firefox, and Edge.

How to Use CSS Glassmorphism & Frosted Glass Generator (Step-by-Step)

1

Adjust the Blur, Background Opacity, Border, and Shadow sliders.

2

Select or test different background wallpapers to observe translucency in real time.

3

Copy the generated CSS snippet or Tailwind utility classes directly into your project.

Applications

Common Use Cases

  • Create frosted glass card components for modern web and mobile apps.
  • Generate cross-browser compatible CSS with -webkit-backdrop-filter fallbacks.
  • Preview glassmorphic elements against dynamic vibrant background gradients and patterns.

Privacy Guarantee

Zero Server Uploads

Unlike traditional online converters that upload your confidential documents to external cloud servers, MultiToolX executes computations in your browser runtime via HTML5 Canvas, Web Crypto, and WebAssembly.

Your data never leaves your device and cannot be viewed, stored, or harvested by anyone.

Companion Step-by-Step Guide

The Modern CSS Glassmorphism Guide: Creating Frosted Glass UI with Backdrop-Filter

A complete technical guide to CSS glassmorphism. Learn how to implement backdrop-filter blur, maintain cross-browser compatibility, and guarantee WCAG color contrast.

Read Full Guide

FAQ

Frequently Asked Questions

What CSS property creates the frosted glass blur?

The effect is powered by 'backdrop-filter: blur(Xpx)' combined with a semi-transparent RGBA background color.

Do all modern browsers support backdrop-filter?

Yes, backdrop-filter is supported in modern Chrome, Edge, Safari, and Firefox. Safari requires the '-webkit-backdrop-filter' prefix, which our generator automatically includes.

Can I use the output with Tailwind CSS?

Yes, MultiToolX provides both raw CSS code and equivalent Tailwind utility classes (e.g., 'backdrop-blur-md bg-white/20 border border-white/30').

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