Build Flexbox layouts in a live visual playground. Adjust direction, alignment, wrapping and spacing, then copy clean CSS in one click.
🔒 Everything runs locally in your browser. No code is uploaded or stored.
Set flex-direction, then use justify-content and align-items to position items along the main and cross axes. Choose wrapping, adjust the gap and item size, and watch the preview update. Start from a preset or experiment freely, then copy the generated container CSS into your stylesheet.
justify-content positions items along the direction set by flex-direction.
align-items controls how items line up across the container’s other axis.
Turn on flex-wrap when items should flow onto new rows or columns.
Quick answers about building Flexbox layouts with this free online tool.
Flexbox is a one-dimensional CSS layout system for arranging items in a row or column.
It generates a display: flex container with direction, justification, alignment, wrapping and gap properties based on your controls.
Use Flexbox for one-dimensional rows or columns. CSS Grid is usually better when you need to control rows and columns together.
Yes. It is free, requires no account and runs entirely in your browser without uploading your code.
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