Browser-local processing

Box Shadow Generator

Tune CSS box-shadow values inside Micro Tools Matrix with live preview, color control, opacity, and copy-ready output without uploading anything.

Local

Shadow Controls

INPUT

Move the sliders to generate CSS in real time.

Preview and Output

OUTPUT
Preview

Color

rgba(2, 6, 23, 0.24)

Mode

Outer shadow

The Micro Tools Matrix Box Shadow Generator is a free online developer tool for building polished CSS box-shadow values without trial-and-error in a separate design file. Adjust horizontal offset, vertical offset, blur radius, spread radius, color, opacity, and inset mode while the preview updates instantly. Because everything uses browser-local processing, your CSS experiments, interface ideas, and design parameters are never uploaded to a server. This makes the tool useful for frontend developers, UI designers, indie makers, and product teams who want a fast privacy-conscious workflow. The generated declaration can be copied directly into CSS files, component styles, design prototypes, or custom utility classes. Use it to refine card elevation, button depth, modal surfaces, dashboard panels, and landing page sections while keeping shadows restrained, readable, and consistent with modern interface systems.

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