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Tune box-shadow and glassmorphism visually, preview live, copy the CSS.
.card {
box-shadow: 0px 10px 20px -4px rgba(0, 0, 0, 0.25);
}🔒 100% client-side — all values compute locally. The preview uses a gradient backdrop so glassmorphism is visible.
Good shadows are the fastest way to make a UI feel tactile and modern, but hand-writing box-shadow values by trial and error is painful. This generator lets you drag sliders for offset, blur, spread, color, and opacity, see the result live, and copy the exact CSS. It also builds glassmorphism (frosted-glass) effects with backdrop-filter.
A convincing frosted-glass effect needs all three: a semi-transparent background (so what's behind shows through), a backdrop-filter: blur() (which blurs whatever is behind the element), and a thin light border (to define the edge). Enable the glassmorphism panel here to tune all three. The preview uses a gradient backdrop so the blur is actually visible.
backdrop-filter works in all current Chrome, Edge, Safari (needs the -webkit- prefix, which this tool includes), and Firefox 103+. Browsers that do not support it simply show the semi-transparent background without the blur — so your layout never breaks, it just looks less frosty. There is no polyfill that performs acceptably, so treat the blur as progressive enhancement.
The CSS Box Shadow & Glassmorphism Generator creates css box shadow generator on demand, right in your browser. Set the options you need, click generate, and the result is ready to copy. Because everything runs locally, nothing you enter or produce leaves your device.
Generators like this are useful when you need a specific output (a password, a UUID, a QR code, placeholder text) and don't want to install an app or trust an unknown website with your data. This tool is free, has no usage limits, and works the same on phone and desktop.
Common uses: people reach for this tool when they need to use a glassmorphism css generator backdrop blur, box shadow generator with live preview, neumorphism shadow generator, or css multiple box shadow generator.
Browser-based tools like this one have a few real advantages over installed software or manual methods:
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