Is this color data uploaded?

No. Color conversion, contrast checks and CSS generation happen in your browser.

Should I still test the CSS?

Yes. Generated snippets are meant to speed up design work, but final UI should still be checked in the target app and theme.

Developer Tools / Local / No signup

Build layered CSS box shadows visually with live preview, inset mode and copyable CSS

Box Shadow Generator

Tune elevation with live sliders, inset mode and tasteful presets.

Color input

X0pxY18pxBlur42pxSpread-18pxOpacity0.28

Inset shadow

Card

Generated CSS / output

Ready. Run an action to update output.

Privacy: Runs locally in your browser. Your input is not uploaded to ToolsFam servers.

About, use cases, and privacy

Box Shadow Generator helps tune elevation and soft shadows visually, then exports the exact box-shadow declaration for your UI.

All calculations run locally in your browser. Use the visual preview, validate the generated CSS, then copy only the value or snippet you need.

Yes. Three and four digit HEX values are parsed and normalized before conversion.

Design linear, radial and conic CSS gradients with live preview, presets and copyable CSS

Create CSS clamp() expressions for fluid responsive typography and spacing.

Generate a small tint and shade palette from a base color.

Format CSS blocks and declarations for cleaner frontend handoff.