Which Flexbox properties can be controlled?

flex-direction, justify-content, align-items, flex-wrap, gap, and other major properties.

Can the number of child elements be changed?

Yes. You can add and remove child elements.

Can the generated CSS be used as-is?

Yes. Copy the code and paste it directly into your CSS file.

Is my data sent to a server?

All processing happens in the browser. No data is sent to a server.

How do flex-wrap and flex-direction work together?

Set the main axis with flex-direction and enable wrapping with flex-wrap to visually explore multi-row or multi-column layouts.

Flexbox Playground - Manipulate Flexbox Visually and Get CSS

Change flex-direction/justify-content/align-items etc. with dropdowns and see results in real time.

flexDirection

flexWrap

justifyContent

alignItems

alignContent

gap8px

itemCount5

preview

cssCode

.container {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: stretch;
  align-content: flex-start;
  gap: 8px;
}

How to Use

Set flex-direction/justify-content etc. with dropdowns
Adjust number of child elements
Real-time preview in right pane
Copy CSS code

FAQ

Which Flexbox properties can be controlled?: flex-direction, justify-content, align-items, flex-wrap, gap, and other major properties.
Can the number of child elements be changed?: Yes. You can add and remove child elements.
Can the generated CSS be used as-is?: Yes. Copy the code and paste it directly into your CSS file.
Is my data sent to a server?: All processing happens in the browser. No data is sent to a server.
How do flex-wrap and flex-direction work together?: Set the main axis with flex-direction and enable wrapping with flex-wrap to visually explore multi-row or multi-column layouts.

Related Tools

Update History

Last Updated: 2026-02-21

2026-02-21 Initial release