Box Shadow Generator- CSS Box Shadow

Generate CSS box-shadow with live preview and copy ready-to-use code.

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Horizontal Offset5px

Vertical Offset5px

Blur Radius15px

Spread Radius0px

Shadow Color

Inset Shadow

Generated CSS

box-shadow: 5px 5px 15px 0px #00000040;

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Why Use Our Box Shadow Generator?

Live Preview

See your box shadow update in real time as you adjust sliders and controls.

Full Control

Adjust offset, blur, spread, color, and inset for complete shadow customization.

One-Click Copy

Copy generated CSS code to clipboard instantly for use in your projects.

Visual Editing

Intuitive sliders and color pickers make shadow design effortless.

100% Private

All processing happens locally in your browser. No data sent to servers.

Instant Results

No delays or loading. Shadows generate instantly as you adjust values.

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Complete Box Shadow Guide

CSS box-shadow is a property that adds shadow effects around an element. It accepts values for horizontal offset, vertical offset, blur radius, spread radius, and color. Box shadows are purely decorative and do not affect layout.

The box-shadow property is one of the most widely used CSS properties for adding depth and dimension to web elements. It supports multiple shadows, inset shadows, and rgba colors for transparency control.

Box shadows are hardware-accelerated in modern browsers and can be animated with CSS transitions for interactive hover effects and UI feedback.

The full syntax is: box-shadow: [inset] offset-x offset-y [blur-radius] [spread-radius] color;

offset-x: Horizontal shadow position. Positive moves right, negative moves left.

offset-y: Vertical shadow position. Positive moves down, negative moves up.

blur-radius: Optional. Higher values create softer, more blurred shadows. Default is 0 (sharp).

spread-radius: Optional. Positive values expand the shadow, negative values contract it.

inset: Optional keyword that creates an inner shadow instead of an outer one.

What is CSS box-shadow?

CSS box-shadow adds shadow effects around an element's frame. You can set multiple shadow values including horizontal offset, vertical offset, blur radius, spread radius, and color.

How do I add multiple box shadows?

You can add multiple shadows by comma-separating values in the box-shadow property. Our generator focuses on a single shadow, but you can combine multiple outputs.

What does the inset keyword do?

The inset keyword changes the shadow from an outer shadow (outset) to an inner shadow, making it appear inside the element's border.

What is the blur radius?

The blur radius defines how blurred the shadow is. A value of 0 means the shadow is sharp. Higher values create a more diffused, softer shadow.

What is the spread radius?

The spread radius controls the size of the shadow. Positive values expand the shadow, while negative values shrink it.

Can I use RGBA colors for box-shadow?

Yes, RGBA colors are commonly used for box-shadow to create semi-transparent shadows. This gives a more natural, realistic shadow appearance.

Is box-shadow supported in all browsers?

Yes, box-shadow has full support across all modern browsers including Chrome, Firefox, Safari, Edge, and Opera.

Does box-shadow affect layout?

No, box-shadow is purely visual and does not affect the element's layout or take up space in the document flow.

How do I create a drop shadow effect?

For a basic drop shadow, use positive vertical offset values with blur. For example: box-shadow: 0 4px 6px rgba(0,0,0,0.1).

Is this tool free?

Yes, completely free with no signup required. Generate unlimited CSS box-shadow values instantly.

Box Shadow Generator Tool

Why Use Our Box Shadow Generator?

Other CSS Tools

Complete Box Shadow Guide