CSS Box Shadow Generator
Design smooth multi-layered CSS box shadows, inset shadows, and Tailwind elevation classes with live preview.
- 100% free
- Private in browser
- No signup
- No watermarks
Interactive Box
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About CSS Box Shadow Generator
Create beautiful, modern CSS box shadows and elevation effects. Adjust horizontal/vertical offsets, blur radius, spread, opacity, and inset shadows with instant CSS and Tailwind class output.
How to use CSS Box Shadow Generator
- Adjust the X offset, Y offset, Blur radius, and Spread radius sliders.
- Pick shadow color and fine-tune alpha opacity.
- Toggle Inset Shadow for inner pressed effects.
- Copy the generated CSS rule or Tailwind arbitrary class.
Key features
- Interactive live box preview with real-time shadow rendering
- Curated presets: Subtle Card, Medium Float, Deep Elevation, Glow Accent, Inner Pressed
- Generates standard CSS box-shadow and Tailwind arbitrary classes
- Full RGBA alpha transparency support
Frequently asked questions
- How do I create smooth realistic shadows?
- Use larger blur radius values (20-40px), small negative spread (-4px to -10px), and low opacity (8%-15%) for natural elevation.
- What do I need to enter?
- Just Shadow Presets, Horizontal Offset, Vertical Offset, Blur Radius and Spread Radius and a few optional settings. Every field has a sensible default you can start from.
- Is my data uploaded anywhere?
- No. The calculation runs in your browser with JavaScript — nothing you type is sent to a server or stored.
- Does it work on a phone?
- Yes. The layout adapts to small screens and needs no app or signup.
- Is CSS Box Shadow Generator & Preview free?
- Yes. CSS Box Shadow Generator & Preview on TheToolss is free to use with no signup required for the core workflow.
Related In-Depth Guides
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