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All changes update in real-time
CSS Box-Shadow Generator is a free online tool that lets you visually create box-shadow effects for web elements. Layer multiple shadows for realistic depth, use neumorphism and Material Design presets, and export code in CSS, CSS Variables, or Tailwind format.
Adjust X/Y offset, blur, spread, color, and opacity with intuitive sliders. Preview changes in real-time and copy the generated code with a single click.
All processing happens in your browser — no data is ever sent to a server. No sign-up required.
Pick a Preset or Add a Layer
Choose from the preset gallery above, or click "+ Add Layer" to start from scratch.
Fine-Tune with Sliders
Adjust X/Y offset, blur, spread, color, and opacity. Stack multiple layers for more realistic shadows.
Copy the Code
Select CSS, CSS Variables, or Tailwind format and click 📋 to copy. Paste directly into your project.
The box-shadow CSS property adds one or more shadow effects to an element's box.
| Value | Description | Default |
|---|---|---|
offset-x | Horizontal position. Positive = right, negative = left | required |
offset-y | Vertical position. Positive = down, negative = up | required |
blur-radius | Blur amount. Larger = softer shadow | 0 |
spread-radius | Shadow expansion/contraction | 0 |
color | Shadow color, typically rgba() | currentColor |
inset | Draws shadow inside the element | none |
Syntax
box-shadow: [inset] offset-x offset-y blur-radius spread-radius color;
Multiple shadows can be separated by commas. Earlier values are drawn on top.
Browser Support
Supported in all major browsers (IE9+). No vendor prefixes needed.
- Q. Does box-shadow affect performance?
- A. Large blur values and many layers can impact rendering, especially during animations. Consider
filter: drop-shadow()or pre-rendered images as alternatives. - Q. What's the difference between box-shadow and filter: drop-shadow?
- A.
box-shadowcreates a shadow around the element's box (rectangle).filter: drop-shadow()follows the element's opaque shape (respects transparent PNG regions). - Q. When should I use inset?
- A. Inset is great for pressed button states, inner field shadows, and neumorphism concave effects.
- Q. Is my data sent to a server?
- A. No. All processing happens entirely in your browser.
Card UI
Add natural floating effects to product cards and blog post cards for visual hierarchy.
Buttons
Give CTA buttons depth and interactive hover transitions.
Modals & Dialogs
Use large blur + dark shadow to elevate modals and direct user focus.
Neumorphism
Combine light/dark shadows for the soft 3D UI style popular in modern SaaS dashboards.
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