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CSS generator. Shadow, gradient, radius, glass.

Dial in box shadows, gradients, corner radii and glassmorphism with a live preview, then copy production-ready CSS. Runs entirely in your browser, nothing uploaded, no signup.

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A free online tool by Digital Heroes
live preview
generated css 

              
Everything runs in this browser, nothing is uploaded or logged.

            

          

        


        

          
Four generators, one live preview

          
Pick a tab and every slider updates a real rendered element instantly, shadows with offset, blur, spread and opacity; linear or radial gradients with up to six sortable color stops; border radius per corner or linked; and glassmorphism panels with backdrop blur, tint and border opacity previewed over a gradient so the frosted effect actually shows. The preview sits on a transparency checkerboard, so semi-transparent output is honest. When it looks right, one click copies stylesheet-ready CSS, vendor prefix included where it matters.

        

      

    


    
    

      

        

          
§ 02 · what you can do

          
Everything a CSS generator should cover.

          

            
Box-shadow builderOffset X/Y, blur, spread, shadow color and opacity, plus an inset toggle for pressed states and inner borders.

            
Linear & radial gradientsUp to 6 color stops with per-stop position sliders, angle control for linear, auto-sorted stop output.

            
Per-corner border radiusSet each corner independently or link all four, the output collapses to shorthand when corners match.

            
Glassmorphism panelsBackdrop blur, tint color, transparency and border opacity, previewed over a gradient so the frost is visible.

            
Honest live previewEvery change renders on a real element over a transparency checkerboard, no mock screenshots.

            
One-click copyProduction-ready CSS, including the -webkit-backdrop-filter prefix for glassmorphism. Paste straight into your stylesheet.

          

        

      

    


    
    

      

        

          
§ 03 · how to use it

          
Four steps, no manual.

          
    
            
  1. Pick a tab: Box Shadow, Gradient, Border Radius or Glassmorphism.
    2. 
            
  2. Adjust the sliders, color pickers and toggles, every value readout updates as you drag.
    3. 
            
  3. Watch the live preview render each change instantly on a real element.
    4. 
            
  4. Click copy CSS and paste the generated rule straight into your stylesheet.
    5. 
          

        

      

    


    
    

      

        

          
§ 04 · faq

          
Frequently asked questions.

          

            

              Is the CSS Generator free?
              
Yes, completely free for everyone. No sign-up, no account and no usage limits.

            

            

              Is it private? Is anything uploaded?
              
No upload, ever. All generation happens in your browser on your own device, the page is static HTML and the only network request is the initial page load.

            

            

              Does it work offline?
              
Yes, once the page has loaded, every generator keeps working without a connection, because all the logic runs locally in your browser.

            

            

              What CSS can it generate?
              
Four rule types: box-shadow (offset, blur, spread, color, opacity, inset), linear and radial gradients with up to 6 color stops, per-corner border-radius, and glassmorphism, background tint, backdrop-filter blur with the -webkit- prefix, border and radius.

            

            

              Why does the glassmorphism preview sit on a gradient?
              
Because backdrop-filter blurs whatever is behind the element, on a flat background the frosted-glass effect is invisible. The gradient backdrop appears only on the Glassmorphism tab so you can judge the blur and tint honestly.

            

          

        

      

    


    
    

    
    

    


    

    

    

    

    

    
    

      

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