Glassmorphism Generator - Frosted Glass CSS

Generate CSS for frosted glass effects with live preview and presets. Adjust blur, transparency, and border. Copy CSS instantly.

Glass Card Preview

Presets

Blur10px

Transparency0.25

Border Opacity0.30

Border Radius16px

Shadow8px

Glass Color

CSS

background: rgba(255, 255, 255, 0.25);
backdrop-filter: blur(10px);
-webkit-backdrop-filter: blur(10px);
border-radius: 16px;
border: 1px solid rgba(255, 255, 255, 0.3);
box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);

Glassmorphism CSS Generator - frosted glass effects

Create stunning frosted glass UI effects with this visual CSS generator. Adjust blur, transparency, border opacity, border radius, and shadow to craft the perfect glassmorphism card. Use presets for quick results or fine-tune every parameter. Copy the generated CSS and use it directly in your project.

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Glassmorphism relies on the CSS backdrop-filter property combined with semi-transparent backgrounds. The blur value controls how much of the background content shows through - higher blur creates a stronger frosted effect. A thin, semi-transparent white border helps define the edges of the glass element against the background.

This design trend works best when placed over colorful or image-heavy backgrounds where the blur effect is visually apparent. On plain white or solid-color backgrounds, the frosted glass effect becomes invisible. Cards, navigation overlays, and modal dialogs are the most common use cases for glassmorphism in production interfaces.

Browser support for backdrop-filter is excellent in modern browsers, covering over 96% of users globally. Safari requires the -webkit-backdrop-filter prefix. For the small percentage of browsers without support, provide a fallback background color with higher opacity so the content remains readable.

How the Glassmorphism Generator Works

01Adjust blur amount to control the frosted glass intensity
02Set transparency and border opacity for the glass effect
03Choose a glass color and fine-tune border radius and shadow
04Use presets (Subtle, Medium, Strong) for quick starting points
05Copy the generated CSS code to use in your project

Glassmorphism Design Tips

Glassmorphism creates a frosted glass effect using CSS backdrop-filter with blur and semi-transparent backgrounds. For best results, place glass elements over colorful or image backgrounds where the blur effect is visible. Use subtle transparency (0.1-0.3) for elegant cards and higher values (0.4-0.6) for prominent overlays. Add a thin semi-transparent border to define edges. Note that backdrop-filter is supported in all modern browsers but requires the -webkit- prefix for Safari compatibility.

When to Use a Glassmorphism Generator

Use this generator when designing UI cards, navigation overlays, modal dialogs, or hero sections that benefit from a frosted glass aesthetic. It is most effective over colorful or image-heavy backgrounds where the blur effect creates depth and visual interest. The visual controls let you dial in the exact look before writing any code.

Common Use Cases

Creating frosted glass card components for landing pages and hero sections
Designing transparent navigation bars that blur the page content beneath them
Building modal overlays with a translucent background effect CSS Animation Generator - Visual Builder
Prototyping glassmorphism UI elements before implementing them in code Neumorphism Generator - Soft UI CSS Free

Expert Tips

Use subtle transparency values (0.1-0.3 alpha) for elegant glass effects - too much transparency makes text hard to read.
Add a thin semi-transparent white border (1px solid rgba(255,255,255,0.2)) to define the glass edges against the background.
Always provide a fallback background-color with higher opacity for the small percentage of browsers that do not support backdrop-filter.

Frequently Asked Questions

Does glassmorphism work in all browsers?→

The backdrop-filter property is supported in all modern browsers including Chrome, Firefox, Safari, and Edge, covering over 96% of users. Safari requires the -webkit- prefix. The generator includes the prefixed version automatically.

Why does the glass effect look invisible on my page?→

Glassmorphism requires a colorful or image background behind the element. On a plain white or solid color background, there is nothing for the blur to affect, so the frosted glass effect is not visible. Place your glass element over a gradient, image, or multicolored section.

Does backdrop-filter affect performance?→

Blur filters are GPU-accelerated in modern browsers, so performance impact is minimal for a few elements. Avoid stacking multiple backdrop-filter elements on top of each other, as each layer adds computational cost. On older mobile devices, heavy blur can cause frame drops.

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