🖼️ Box Shadow generator

Visually create CSS box-shadow. Supports multiple layers, insets, and presets. Generate CSS code with real-time preview.

Background color: red, green, blue, green, blue, blue, blue, blue, blue, blue, blue, blue
Box color:
Size: 1.5
12px
Page background:

Usage and Application Examples

  • Add box-shadow effect to card-type UI and buttons to improve design
  • Easily create shadows for pneumorphism designs
  • Combining multiple layers of shadows to create depth of expression
  • Paste the generated CSS code directly into your project

What is Box Shadow Generator WEB?

Box Shadow Generator is a visual CSS design tool that lets you create and preview box-shadow effects in real-time. It supports multiple shadow layers, inset effects for depth, and preset styles including neumorphism for modern UI design. Rather than manually writing CSS code or guessing at shadow values, you adjust sliders and see instant visual feedback. Perfect for designers, developers, and anyone creating polished web interfaces, this tool bridges the gap between visual design and code.

How to Use

Start by adjusting the X and Y offset sliders to position your shadow relative to the element. The Blur slider controls softness—higher values create diffuse shadows, while zero creates sharp edges. The Spread slider expands or contracts the shadow size. The Color picker lets you choose any shadow color, and Opacity controls transparency. Toggle Inset to create inner shadows that appear recessed into the element. Add multiple shadow layers by clicking Add Layer—each layer builds on the previous for complex effects. Copy the generated CSS code directly into your stylesheets. Preview your work in real-time as you adjust values.

Use Cases

• Web design prototyping: Quickly test shadow effects on UI elements before implementing in production code
• Neumorphism styling: Create soft, modern UI designs with preset neumorphic shadow combinations for depth
• Design system documentation: Generate consistent shadow values for buttons, cards, and other components
• Learning CSS: Understand how shadow parameters interact by experimenting visually rather than trial-and-error coding

Tips & Insights

Neumorphism uses two opposite-colored shadows (light and dark) to create a 3D sculpted appearance. The standard web shadow syntax is box-shadow: offsetX offsetY blur spread color; and inset shadows require the inset keyword. Larger blur values with low opacity create subtle depth, while smaller blur with high opacity creates dramatic emphasis. Subtle shadows (blur 10-15px, spread 0) work best for accessibility and professionalism. Layer shadows strategically—one for depth, another for emphasis—rather than stacking multiple strong shadows that muddy your design.

Frequently Asked Questions

What is box-shadow?

box-shadow is a CSS3 property that adds a drop shadow (shadow) effect to an HTML element; it allows you to specify X offset, Y offset, blur radius, spread radius, and color.

Can multiple shadows be stacked?

Yes, box-shadow allows you to specify multiple shadows separated by commas. In this tool, you can easily create multiple layers of shadows with the Add Layer button.

What is an INSET?

The inset keyword causes the shadow to be drawn inside the element rather than outside. This is used for a dimpled look or pneumorphism design.

What is pneumorphism?

Neumorphism is a design technique that combines light and dark shadows to make elements appear to rise out of the background, and can be achieved with multiple layers of box-shadow.

How do I use the generated CSS code?

The "Copy CSS" button allows you to copy the code to the clipboard and paste it directly into a style sheet or HTML style attribute.

Is the data entered secure?

Yes. All processing is completed within the browser and no data is sent to the server. You can use this service with peace of mind.

Can I preview the shadow in real-time?

Yes, the tool provides a real-time preview of your box-shadow as you adjust the parameters. You can see exactly how the shadow looks before using the code.

How do I copy the generated CSS?

Once you've created your shadow, the generated CSS code is displayed on screen. Most tools have a copy button next to the code, or you can manually select and copy it.

What are the preset templates?

Preset templates include common shadow styles like subtle elevation, deep shadow, and neumorphism effects. These presets provide a quick starting point that you can customize further.

Does box-shadow affect page performance?

Box-shadow has minimal performance impact compared to images or complex animations. However, excessive shadows on many elements could slightly affect rendering performance on older devices.

Is the tool compatible with all browsers?

Box-shadow is supported by all modern browsers including Chrome, Firefox, Safari, and Edge. Some older browsers may have limited support for advanced shadow features.

Can I export my shadow design?

You can copy the CSS code to use in your projects. Some versions of the tool may also support exporting to CSS files or importing/exporting design presets.