🪟 CSS Glassmorphism Generator

Create stunning frosted glass UI effects — customize blur, transparency & more. Copy CSS instantly.

👁️ Live Preview
✨
Glassmorphism
A modern UI trend using frosted glass effects with blur & transparency.
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📋 Generated CSS

          

        


        
        

          
💡 Pro Tips for Glassmorphism

          

            

              
🎨 Choose vivid backgrounds

              

                Glass effects look best over colourful gradient backgrounds with
                high contrast blobs or shapes behind the card.
              

            

            

              
🔵 Blur sweet spot

              

                8px–20px blur is ideal. Too little loses the effect, too much
                turns the card into a plain box with no depth.
              

            

            

              
⚠️ Browser support

              

                backdrop-filter works in Chrome, Edge, Safari, and
                Firefox 103+. Always add a fallback background color for older
                browsers.
              

            

            

              
📱 Performance

              

                Backdrop-filter is GPU-accelerated on modern browsers, but avoid
                stacking many glass layers on low-end mobile devices.
              

            

          

        


        
        

          
What is CSS Glassmorphism?

          

            Glassmorphism is a modern UI design trend that mimics the appearance
            of frosted glass. It uses
            backdrop-filter: blur()
            combined with semi-transparent backgrounds and subtle borders to
            create a layered, depth-rich aesthetic — popularised by Apple's
            macOS Big Sur design language and Microsoft's Fluent Design System.
          

          
How to use this generator

          

            Adjust the sliders on the left to control blur, opacity, border,
            radius, and shadow. The live preview updates instantly. Once you're
            happy with the result, click
            Copy CSS
            to get the ready-to-paste CSS snippet for your project.
          

          
Key CSS properties used

          
    
            
  • 
              backdrop-filter: blur() — creates the frosted
              glass blur effect on content behind the element
            
    • 
            
  • 
              background: rgba() — adds a semi-transparent
              tinted background to the card
            
    • 
            
  • 
              border: 1px solid rgba() — subtle border adds
              depth and realism
            
    • 
            
  • 
              box-shadow — soft shadow grounds the card and
              separates it from the background
            
    • 
            
  • 
              backdrop-filter: saturate() — optionally boosts
              colour vibrancy through the glass for extra realism
            
    • 
          

          
When to use glassmorphism

          

            Glassmorphism works best for cards, modals, navigation bars,
            sidebars, and notifications. It pairs beautifully with dark gradient
            backgrounds, colourful photography, and vibrant illustrations —
            creating a premium, modern look for SaaS dashboards, portfolio
            sites, and landing pages.
          

        


        
        

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