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Tools / CSS box shadow generator

CSS box shadow generator

Design elevation and depth for modern UI cards and buttons. Configure horizontal/vertical offsets, blur radius, spread, inset states, and multi-layer blending with real-time preview.

Runs entirely in your browser

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About this tool

Box shadows give UI elements depth and elevation, but realistic ones are rarely a single shadow — good depth usually comes from layering several with different offsets and blurs. This generator lets you configure horizontal and vertical offset, blur radius, spread and inset state, and combine multiple shadow layers, with a live preview of a card or button as you adjust.

That visual control makes it easy to achieve soft, believable elevation rather than the harsh grey slab a single default shadow produces. Insets let you create pressed or recessed effects, and layering lets you mimic how real light falls off gradually. The tool outputs the exact box-shadow CSS to copy.

It runs in your browser and produces clean CSS with no libraries. Use it to build a consistent elevation system for cards, buttons and modals, or to quickly match a shadow from a design you are implementing.

Frequently asked questions

What do the box-shadow values control?
Horizontal and vertical offset move the shadow, blur radius softens it, spread grows or shrinks it, and inset turns it into an inner shadow. The tool exposes all of these with a live preview.
Why use multiple shadow layers?
Real depth comes from light falling off gradually. Layering several shadows with different blurs and offsets produces a softer, more realistic elevation than one hard shadow.
What is an inset shadow?
An inset shadow is drawn inside the element rather than outside, which creates a pressed or recessed look — useful for inputs and toggled buttons.
Does it give me the CSS to copy?
Yes. It outputs a ready-to-paste box-shadow declaration reflecting all your layers and settings.
Is it done in the browser?
Yes. Everything runs locally, so nothing is uploaded.

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