What is the CSS Flexbox Playground?

It is a free online tool for visually checking the effects of each Flexbox property in real time, with CSS code output support.

Is it free? Is my data safe?

Completely free. Everything runs in your browser, and no data is sent externally.

Can I use it to learn Flexbox?

Yes. Changes to each property are instantly reflected in the preview, making it easy to visually understand how Flexbox works while learning.

CSS Flexbox Playground

A learning and development tool for visually understanding CSS Flexbox layout behavior by changing properties and seeing results update instantly. It lets you configure both container and individual item properties, with generated CSS code ready to copy. Perfect for developers learning Flexbox for the first time, front-end engineers prototyping layouts quickly, and CSS instructors demonstrating layout concepts in real time.

Color Picker

HEX

RGB

rgb(99, 102, 241)

HSL

S (%)

L (%)

hsl(239, 84%, 67%)

CSS Flexbox Playground Features

Real-time visualization of Flexbox property effects
Set container and item properties individually
Instant visual preview of results
Copy generated CSS code

How to Use

1Select Flexbox container properties
2Preview layout changes in the preview area
3Copy the CSS code you need

FAQ

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