Build and visualize CSS Flexbox layouts interactively — change justify-content, align-items, flex-direction, gap, and wrap settings with live preview and instant CSS output.
🚀 Launch Free Tool →✅ All justify-content & align-items options
✅ flex-direction, flex-wrap, gap controls
✅ Live preview with colored boxes
✅ Instant CSS code output
✅ CSS Grid builder tab
CSS Flexbox is a one-dimensional layout model that arranges items in a row or column. It is the best tool for aligning and distributing space among items in a container.
Flexbox is best for one-dimensional layouts (a single row or column). CSS Grid is designed for two-dimensional layouts (rows AND columns simultaneously). Both are complementary.
Set the parent to: display: flex; justify-content: center; align-items: center; This centers the child both horizontally and vertically.