CSS Box Shadow Generator
Builds precise box-shadow values with visual controls. It is for UI prototypes, design tokens, and small CSS tweaks.
Generated in your browser. Utilio does not store generated values.
CSS Box Shadow Generator
Runs locally in your browser. Your data is not uploaded.
The shadow is offset by 0px on X and 14px on Y, with 36px blur, 0px spread, and 16% opacity.
What CSS Box Shadow Generator does
Use CSS Box Shadow Generator when you need to tune offset, blur, spread, and color before writing CSS.
When to use it
- Tune offset, blur, spread, and color before writing CSS.
- Create shadow tokens for cards, menus, and overlays.
- Copy a ready box-shadow declaration into a stylesheet.
How to use it
- Adjust shadow controls while watching the preview.
- Copy the CSS value when the depth matches the design.
- Test the shadow on the real background and theme.
What to check
- A shadow that looks good on light background may fail on dark UI.
- Avoid using heavy shadows as the only focus or elevation signal.
Data, formats, and limits
What stays on your device and what is sent
Generated in your browser. Utilio does not store generated values.
Supported formats
This tool works with typed or generated values rather than uploaded files.
File limits and browser requirements
- Use an up-to-date browser and check the result on the device where you will use it.
Known limits
- Review generated values before using them in production, payments, access control, or public materials.
- For security-sensitive output, follow your team's requirements for length, entropy, and storage.
Troubleshooting
- If the result does not fit, change the settings and generate a new value.
- If the value is used for access, payments, or public material, check your system requirements before copying it.
- If copy does not work, select the result manually or repeat the action in an up-to-date browser.
Common questions
What does Utilio receive?
Generated in your browser. Utilio does not store generated values.
What is it useful for?
Use it when you need to tune offset, blur, spread, and color before writing CSS. Start by adjust shadow controls while watching the preview.
Do I need an account?
No. You can use this tool without creating an account.
Can I use it on a phone?
Yes. The tool works in a mobile browser, though longer input or detailed results may be easier to review on a larger screen.
How do I get a reliable result?
Adjust shadow controls while watching the preview. Then copy the CSS value when the depth matches the design. A shadow that looks good on light background may fail on dark UI.
Does Utilio use my input or results to train AI?
No. Utilio does not use files, pasted text, settings, generated values, or results from this tool to train AI models.

