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CSS Grid and Flexbox Builder

Design responsive Grid and Flexbox layouts with a live preview and copy-ready CSS.

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How it works

Paste your content or load the example. Choose the available options, run the tool, then copy or download the result.

A practical example

Layout

Layout

Frequently asked questions

Is my input sent to a server?

No. Your content is processed in this browser. It is never sent to the server or saved.

What should I know about CSS Grid and Flexbox Builder?

Preview uses numbered blocks. Generated CSS includes layout rules; adapt selectors and breakpoints to your page.