CSS Box Shadow Generator
Generate CSS box-shadow values with a live preview.
What is CSS Box Shadow?
A CSS Box Shadow Generator is a visual design tool that creates the CSS box-shadow property code through an interactive interface, allowing you to add realistic shadows to HTML elements without manually writing complex CSS syntax. Box shadows add depth, elevation, and visual hierarchy to web designs — making elements like cards, buttons, modals, and containers stand out from their backgrounds. They are a fundamental technique in modern flat and material design aesthetics.
The CSS box-shadow property accepts multiple values: horizontal offset, vertical offset, blur radius, spread radius, color (with optional opacity), and an inset keyword for inner shadows. Combining these six parameters precisely to achieve a specific visual effect requires significant experimentation when written manually. The generator replaces that trial-and-error process with real-time sliders and color pickers that update a live preview instantly.
Front-end developers, UI designers, and web design students use box shadow generators throughout their design and build workflow. They are especially useful for creating layered shadows (stacking multiple box-shadow declarations for more realistic depth effects), matching a design system's elevation standards, or replicating shadows from design tools like Figma or Adobe XD into production-ready CSS code that works across all modern browsers.
How to Use CSS Box Shadow
- 1Step 1: Adjust the horizontal offset slider to control how far the shadow extends left or right of the element — positive values move the shadow right, negative values move it left.
- 2Step 2: Set the vertical offset to control shadow height — positive values cast the shadow downward (simulating light from above), negative values cast it upward.
- 3Step 3: Increase the blur radius to soften and spread the shadow's edges — a value of 0 creates a hard-edged shadow, while higher values create softer, more diffuse effects.
- 4Step 4: Adjust the spread radius to expand or contract the shadow size relative to the element — a positive spread makes the shadow larger, negative makes it smaller.
- 5Step 5: Choose a shadow color using the color picker, set the opacity (RGBA alpha channel), toggle inset for inner shadows, then copy the generated CSS code to your stylesheet.
Benefits of Using CSS Box Shadow
- ✓Eliminate Manual Trial-and-Error: Adjust shadow properties visually in real time instead of writing, saving, refreshing, and tweaking CSS values manually in a browser inspector.
- ✓Learn CSS Syntax Visually: See exactly how each parameter (offset, blur, spread, color) affects the shadow, making it an ideal learning tool for understanding the box-shadow property.
- ✓Create Realistic Depth Effects: Layer multiple box-shadow declarations — which the generator supports — to create the sophisticated multi-layer shadows used in Material Design and modern UI systems.
- ✓Copy Production-Ready Code: Output is clean, valid CSS that works in all modern browsers, ready to paste directly into your stylesheet without any modification.
- ✓Match Design Mockups Precisely: Quickly translate shadow styles from Figma, Sketch, or XD design files into accurate CSS by adjusting generator controls until the preview matches the mockup.
- ✓Experiment with Inset Shadows: The inset option creates inner shadows that simulate pressed or recessed UI elements — a subtle effect that is tedious to perfect without a live preview.
Example
About CSS Box Shadow
CSS Box Shadow Generator lets you design box shadows visually with sliders for horizontal offset, vertical offset, blur, spread, opacity, and color. Multiple shadow layers can be added for complex effects. Copy the final CSS property with one click for immediate use in your stylesheets.
- Visual sliders for all shadow values
- Multiple shadow layer support
- Inner shadow option
- Copy ready CSS property