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CSS Glassmorphism & Shadow Generator
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CSS Generator

Generate modern CSS backdrop-filter glassmorphism and box-shadow styles with a live preview.
Last updated: July 7, 2026•100% Client-Side & Private
Visual CSS backdrop-filter & box-shadow Generator
STYLE PARAMETERS
Glassmorphism settings
#FFFFFF
#FFFFFF
Glass Opacity:0.15
Backdrop Blur:10px
Border Opacity:0.20
Border Radius:12px
Shadow settings
#000000
Offset X:0px
Offset Y:8px
Shadow Blur:24px
Shadow Spread:-12px
Shadow Opacity:0.25
LIVE PREVIEW & CODE
Glassmorphism CardBackdrop filter rendering

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About this Tool

Create CSS backdrop-filter glassmorphism effects and custom box-shadow styles with a visual interface and live preview.

1What is CSS Glassmorphism?

A CSS Glassmorphism Generator is a style designer that creates modern glass layouts using drop-shadow, backdrop-filter blur, and border styles. The visual generator outputs standard W3C-compliant styling rules client-side. The tool runs locally in your browser memory. Additionally, the utility generates clean, standardized code syntax that complies with modern web validation standards and SEO guidelines. The responsive layout makes it easy to format, edit, and copy outputs on both mobile viewports and desktop workstations. This local execution model bypasses browser network dependencies, offering a snappy user experience for editing frontend stylesheets, vector assets, and HTML layouts. By utilizing local browser sandbox isolation and client-side processing, Secure Devutils protects your intellectual property and private credentials from external logging pipelines and third-party data tracking networks. For more details, explore our blog articles: Why Offline-First Developer Tools Matter and The Hidden Risks of Online Developer Tools.

2Are vendor prefixes included in the output?

Yes. The generator automatically includes webkit prefixes (e.g. -webkit-backdrop-filter) to ensure the glassmorphism effect renders correctly on Safari browsers across iOS and macOS.

3How is Box Shadow calculated?

The box shadow generator uses adjustable parameters for X offset, Y offset, blur radius, spread radius, and opacity to format a standard W3C-compliant box-shadow declaration block.

Privacy Guarantee

The CSS Glassmorphism & Shadow Generator operates 100% locally in your web browser. Generated identifiers (like UUID v4/v7 strings) and placeholder text are calculated natively in your browser. No generation seeds or configuration settings are shared over the network.