Free Online CSS Triangle Generator Tool

Visually configure and generate production-ready CSS triangles using the pure border technique. No images, just clean code.

Configuration

100px
100px

Live Preview

Generated CSS 

                        

                    

                

            

        


        
        

            
About CSS Triangles

            

                

                    CSS triangles are created using the "Border Trick." By setting an element's width and height to zero and giving it thick borders, the borders meet at angles. By making some borders transparent and others colored, you create sharp, scalable triangles without needing SVG or image assets.
                

                

                    This tool helps you quickly calculate the exact border-width values needed for various orientations. It's particularly useful for tooltips, dropdown arrows, and decorative UI elements where performance and scalability are key.
                

            

        

    


    
    

        

            

                
            

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