CSS Flexbox Generator — Visual Layout Builder – Free Online Tool

Build CSS Flexbox layouts visually. Configure direction, justify-content, align-items, wrap, and gap with real-time preview and code output. Free, no signup required.

Flex Container

flex-direction

justify-content

align-items

flex-wrap

gap10px

Items6

Preview

CSS Output

.container {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: stretch;
  flex-wrap: nowrap;
  gap: 10px;
}

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How to Use

Set flex-direction (row or column)
Choose justify-content and align-items
Adjust wrap and gap settings
See the live preview update
Copy the generated CSS code

Use Cases

Learning CSS Flexbox
Rapid layout prototyping
Generating boilerplate CSS
Teaching web development

FAQ

Does this support all Flexbox properties?

Yes — direction, justify-content, align-items, flex-wrap, and gap are all configurable.

Can I add or remove flex items?

Yes, you can add 3 to 12 items and see how the layout responds.

CSS Flexbox Generator — Visual Layout Builder – Free Online Tool

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