CSS Box Shadow Generator
Build validated multi-layer box-shadow CSS from explicit layer values.
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How to use CSS Box Shadow Generator
Build validated multi-layer box-shadow CSS from explicit layer values. Each JSON layer accepts x, y, blur, spread, color and optional inset. The result contains only bounded numeric geometry and validated hex colors.
- Provide the input and select the documented mode or options.
- Run the tool and review its result and any limits reported below.
- Copy the text result or download a separate output file.
Good to know
- 1–20 layers; offsets/spread from-1,000 to1,000px and blur0–1,000px. Colors must be3/6/8-digit hex.
- Generates CSS text only. Browser paint, element geometry and visual accessibility are not measured.
- Processing happens in this browser tab. Inputs and results are not automatically saved or uploaded.
Common questions
What does CSS Box Shadow Generator process?
Each JSON layer accepts x, y, blur, spread, color and optional inset. The result contains only bounded numeric geometry and validated hex colors.
What happens to my original input?
The tool creates a separate result. Selected files and pasted data remain on this device; inspect the result before using it in another system.
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