Skip to main content

CSS Box Shadow & Glassmorphism Generator

Design soft elevations, layered shadows, inset effects, and modern frosted glassmorphism with visual sliders and instant CSS code generation. 100% free.

Client-Side Privacy Free Forever Mobile & PC
Interactive ElementDynamic Box Shadow Preview
Styling Mode
Horizontal Offset (X)0px
Vertical Offset (Y)12px
Blur Radius24px
Spread Radius-4px
Shadow Opacity12%
Shadow Color:
Elevation Presets
Generated CSS

Tailwind CSS Tip:

shadow-[0px_12px_24px_-4px_rgba(0,0,0,0.12)]

Guide to Modern Web Elevation & Shadows

Understanding light sources, negative spread, and optical realism in UI design.

The Physics of Realistic Shadows

Realistic UI shadows avoid harsh pure black opacity. Instead, modern design systems use subtle vertical offset (Y > X), high blur radius, and negative spread radius (spread: -4px) to simulate a distant, diffuse overhead light source.

Glassmorphism Performance & Fallbacks

CSS backdrop-filter requires GPU compositing. For maximum browser compatibility, our generator supplies both standard backdrop-filter and -webkit-backdrop-filter with a graceful semi-transparent background fallback.

Our Tool Features

Why developers and engineers prefer this tool for everyday development workflows.

Cross-Device Compatibility

Works seamlessly on all modern desktop, tablet, and mobile browsers including Chrome, Firefox, Safari, Edge on Windows, macOS, Linux, Android, and iOS.

Fast In-Browser Execution

Processes your data in real-time directly inside your browser. No queue wait times, no network round-trips, and zero latency.

100% Client-Side Privacy

Your code, tokens, passwords, and files are never transmitted to any external server or saved in logs. Everything runs locally in memory.

Instant File & Clipboard Input

Supports one-click sample loading, file drag-and-drop, and pasting directly from your clipboard (Ctrl + V) for effortless workflows.

Strict Standards Compliant

Built strictly according to official specifications (RFCs, W3C, ISO, and standard cryptographic algorithms) ensuring accurate output every time.

Unlimited Free Usage

No registration, no accounts, no subscriptions, and no hidden daily quotas. Use this tool as many times as you need without restrictions.

Recent Updates & Improvements

Continuously maintained and improved based on developer feedback.

Client-Side Speed & Performance UpgradeRecent Update

Optimized processing algorithms with Web Workers and native browser APIs (SubtleCrypto, Canvas 2D) for instantaneous zero-latency execution.

Clipboard Paste & Drag-and-Drop AddedFeature Added

Added instant clipboard pasting (Ctrl + V) and drag-and-drop file support to accelerate developer productivity without manual downloads.

Enhanced Mobile & Touch Device ExperienceUI/UX Update

Redesigned responsive touch controls, flexible copy buttons, and camera preview framing for mobile and tablet browsers.

How To Use Box Shadow Generator Online?

Follow these quick steps to get instant, accurate results in seconds.

1

Select Styling Mode

Choose between classic Box Shadow or modern Frosted Glassmorphism.

  1. Toggle between shadow and glass modes
  2. Select from curated elevation presets
Mode SelectionClient-Side
Mode: Box Shadow
Preset: Level 3 (Floating Card)
Instant ExecutionReady
2

Adjust Sliders in Real Time

Drag X/Y offsets, blur, spread, opacity, and inset to sculpt the depth of your element.

  1. Pixel-perfect slider precision
  2. Live interactive canvas preview
Shadow SynthesisClient-Side
→ Computing offsets: Y=12px, Blur=24px
→ Calculating rgba shadow mask
Instant ExecutionReady
3

Copy Clean CSS Code

Copy standard CSS properties or Tailwind classes directly to your project clipboard.

  1. One-click copy button
  2. Vendor prefixes included
CSS OutputClient-Side
box-shadow: 0px 12px 24px -4px rgba(0, 0, 0, 0.12);
Instant ExecutionReady

Elevation & Styling Styles

Examples of CSS shadow declarations and glassmorphism properties

Soft Card Elevation

Modern UI

Subtle drop shadow used by modern design systems like Stripe and Vercel.

Example Syntax
box-shadow: 0px 10px 15px -3px rgba(0, 0, 0, 0.1);
Negative spread prevents shadow bleed from the top edges.

Frosted Glassmorphism

Backdrop Filter

Frosted glass effect popular in modern dashboards and mobile interfaces.

Example Syntax
backdrop-filter: blur(16px);
background: rgba(255, 255, 255, 0.65);
border: 1px solid rgba(255, 255, 255, 0.3);
Blurs underlying layers while maintaining readable foreground text.

Our Tool Features

Why developers and engineers prefer this tool for everyday development workflows.

Cross-Device Compatibility

Works seamlessly on all modern desktop, tablet, and mobile browsers including Chrome, Firefox, Safari, Edge on Windows, macOS, Linux, Android, and iOS.

Fast In-Browser Execution

Processes your data in real-time directly inside your browser. No queue wait times, no network round-trips, and zero latency.

100% Client-Side Privacy

Your code, tokens, passwords, and files are never transmitted to any external server or saved in logs. Everything runs locally in memory.

Instant File & Clipboard Input

Supports one-click sample loading, file drag-and-drop, and pasting directly from your clipboard (Ctrl + V) for effortless workflows.

Strict Standards Compliant

Built strictly according to official specifications (RFCs, W3C, ISO, and standard cryptographic algorithms) ensuring accurate output every time.

Unlimited Free Usage

No registration, no accounts, no subscriptions, and no hidden daily quotas. Use this tool as many times as you need without restrictions.

Frequently Asked Questions

Recent Updates & Improvements

Continuously maintained and improved based on developer feedback.

Client-Side Speed & Performance UpgradeRecent Update

Optimized processing algorithms with Web Workers and native browser APIs (SubtleCrypto, Canvas 2D) for instantaneous zero-latency execution.

Clipboard Paste & Drag-and-Drop AddedFeature Added

Added instant clipboard pasting (Ctrl + V) and drag-and-drop file support to accelerate developer productivity without manual downloads.

Enhanced Mobile & Touch Device ExperienceUI/UX Update

Redesigned responsive touch controls, flexible copy buttons, and camera preview framing for mobile and tablet browsers.

Related Tools