Updated: August 2026 • Verified v1.2
CSS Box Shadow Generator & Elevation Builder
Creative & DesignDesignLocal Browser Execution: Your input is processed locally in your browser and is not sent to UTL servers.
CSS Box Shadow: box-shadow: [inset] X Y Blur Spread Color;Was this calculation helpful?
Understanding Your Results
Renders an interactive preview card, allows slider adjustments for offsets and blur, and generates production-ready `box-shadow` CSS rules.
Practical Guidance & Next Steps
Negative spread values create smooth, realistic floating elevation shadows without dark edges.
What is this?
A frontend design utility that visually generates clean CSS `box-shadow` code snippets.
How does it work?
1. Adjust sliders for X offset, Y offset, Blur, Spread, and Opacity.
2. Choose from elevation presets (Subtle, Card, Modal, Glow, Inset).
3. Copy the cross-browser CSS code in 1 click.
Why use it?
Creates professional UI depth, card elevation, and glowing hover effects without guessing pixel values.
Technical Scope & Calculation Limitations
Generates standard CSS3 `box-shadow` syntax compatible with all modern browsers.
Frequently Asked Questions
Blur radius softens and disperses the shadow edge, while spread radius expands or contracts the physical size of the shadow.
Windows Desktop & Widget Options
All Windows widgets Want this capability on your Windows desktop?
Desktop Widget
9.4/10
Rainmeter Desktop Customization Engine
Powerful open-source desktop customization framework for hardware monitors, clocks, and audio visualizers.
FreeMedium InstallLow RAM
By Rainmeter Team (Open Source)View Widget
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