
Glassmorphism CSS Generator
Create frosted glass UI effects with live preview. Adjust blur, opacity, and border - copy CSS instantly.
Last reviewed: April 2026New to this tool? Click here for instructions
Frosted Glass Card
This card uses backdrop-filter to create the glassmorphism effect on any background.
Live PreviewHow to Use the Glassmorphism Generator
To use the Glassmorphism CSS Generator, follow these steps:
1. Choose a preset: Start with Apple-style, Windows Fluent, Subtle, or Bold to see different looks instantly.
2. Adjust the sliders: Fine-tune blur amount, background opacity, border opacity, and border radius.
3. Pick a tint color: Click the color picker to change the glass tint from white to any color.
4. Copy the CSS: Click 'Copy CSS' to grab the ready-to-use code with vendor prefixes.
When to Use the Tool in Real Workflows
Use the Glassmorphism CSS Generator when you need to create modern, visually appealing UI elements that mimic the look of frosted glass. It's ideal for creating sidebars, menus, notifications, and other background elements that should have a soft, modern aesthetic.
How It Works
The Glassmorphism CSS Generator uses CSS properties such as `backdrop-filter: blur()`, `background: rgba()`, and `border` to create the frosted glass effect. The tool provides a live preview so you can see the changes in real-time as you adjust the settings.
Tips, Edge Cases, or Limitations
1. Browser Compatibility: Backdrop-filter is supported in Chrome 76+, Edge 17+, Safari 9+ (with -webkit- prefix), and Firefox 103+. Internet Explorer does not support it. The generated CSS always includes both -webkit-backdrop-filter and backdrop-filter to maximize compatibility.
2. Performance Considerations: Backdrop-filter triggers GPU compositing, which can be more expensive than regular CSS properties. Limit the number of elements with backdrop-filter on a single page, avoid animating the blur value directly (animate opacity instead), use will-change: backdrop-filter sparingly on elements you know will animate, and test on mobile devices where GPU resources are more limited.
3. Complex Layouts: For complex layouts, consider applying glassmorphism only to elements that require it to avoid performance issues.
Frequently Asked Questions
Quick reference
| Property | Value | Opacity | Blur |
|---|---|---|---|
| background | linear-gradient(135deg, #ffffff, #e0e0e0) | 0.5 | 15px |
| border | 1px solid rgba(255,255,255,0.2) | 0.3 | 10px |
| background | url('glass.png') center/cover | 0.7 | 20px |
| border | none | 0.4 | 8px |
| background | rgba(255,255,255,0.1) | 0.6 | 12px |
| border | 2px dashed rgba(255,255,255,0.3) | 0.2 | 18px |
Example walk-through
Worked example: step-by-step
Step 1. Input parameters: background color (#ffffff), blur radius (15px), opacity (0.5), and border color (#000000). Use these values in the generator tool.
/* Sample input parameters */
background-color: #ffffff;
backdrop-filter: blur(15px);
opacity: 0.5;
border-color: #000000;
Step 2. The tool generates a CSS code snippet with glassmorphism effects using the provided values.
/* Expected output - CSS code */
.glass-effect {
background-color: #ffffff;
backdrop-filter: blur(15px);
opacity: 0.5;
border-color: #000000;
border: 2px solid #000000;
padding: 20px;
border-radius: 10px;
}
Step 3. Apply the generated CSS to a webpage element to achieve the glassmorphism effect. Step by step, the tool transforms input parameters into a functional CSS implementation.