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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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