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.