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CSS Box Shadow & Glassmorphism Generator

Design custom CSS box shadows and glassmorphism backdrop blur effects with live interactive preview, customizable presets, and instant CSS export.

Live

How to use this tool

  1. Choose your design mode: Box Shadow (elevation & depth) or Glassmorphism (frosted glass & backdrop blur).

  2. Adjust horizontal and vertical offsets, blur radius, spread radius, and opacity using interactive sliders.

  3. Toggle between outer drop shadow and inner inset shadow depending on your UI component needs.

  4. In Glassmorphism mode, fine-tune backdrop blur strength, background translucency, and saturation.

  5. Preview the live styling immediately against light, dark, and vibrant gradient backgrounds.

  6. Click 'Copy CSS Code' or download the snippet to incorporate the styles directly into your CSS or Tailwind stylesheet.

Frequently asked questions

Quick answers about file privacy, processing modes, formats, and device support.

Yes. The generator produces standard W3C CSS syntax along with vendor-prefixed properties (-webkit-box-shadow and -webkit-backdrop-filter) ensuring full compatibility across Chrome, Safari, Firefox, Edge, and iOS WebKit browsers.
Blur radius controls how soft and feathered the shadow edge appears (larger values create a fuzzier, softer shadow). Spread radius expands or contracts the actual size of the shadow shape before the blur is applied (positive numbers enlarge it, while negative numbers shrink it for clean elevation effects).
Glassmorphism relies on the CSS backdrop-filter: blur(...) property combined with a semi-transparent background color (rgba or hsla) and a delicate border highlight to create a frosted translucent glass illusion that diffuses whatever content sits behind it.
Yes. You can copy the generated standard CSS into your global styles or Tailwind @layer components, or use Tailwind's arbitrary value syntax (e.g. shadow-[0_10px_25px_-5px_rgba(0,0,0,0.15)] and backdrop-blur-md) directly in your JSX.
An inset shadow draws the shadow inside the boundary of the element instead of outside. This creates an indented, sunken, or carved-out appearance, which is popular for form input fields, pressed button states, and neumorphic card interfaces.
No. All slider calculations, color alpha transformations, and CSS code formatting run 100% client-side in your browser sandbox with zero network transmission.

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