Box Shadows (box-shadow.dev) is a lightweight web-based tool that helps developers and designers create CSS box-shadow effects through an interactive visual interface. Instead of manually tweaking shadow values in code, users can adjust parameters such as offset, blur, spread, and color while seeing real-time previews of the result.

The tool is built to simplify one of the more trial-and-error aspects of CSS design—crafting visually appealing shadows. By allowing multiple shadows to be layered and adjusted visually, it enables users to experiment with depth, elevation, and softness without needing deep familiarity with the underlying syntax.

As users modify the controls, the tool generates the corresponding CSS code automatically, making it easy to copy and use directly in projects. It also allows customization of the element itself (such as size and shape), helping developers understand how shadows interact with different layouts.

Box Shadows is positioned as a small utility for frontend developers, particularly useful for speeding up UI design workflows and improving visual consistency in web interfaces.

Key features include:

• Visual editor for creating and previewing CSS box-shadow effects
• Real-time updates as parameters like blur, offset, and color are adjusted
• Support for multiple layered shadows
• Automatic generation of copyable CSS code
• Customizable element size and shape for testing shadows

Common use cases include:

• Designing UI shadows for buttons and cards
• Experimenting with layered shadow effects
• Generating production-ready CSS quickly
• Learning how box-shadow properties behave
• Improving visual polish in web interfaces

Box Shadows is a side project built by Mike McBride and David Leininger as part of the Two Beards project collaboration.