About This Tool
Documentation
What does this tool do?
A visual playground for CSS Flexible Box Layouts. Manipulate container properties (row/column direction, wrap, main-axis alignment, cross-axis alignment, split row/column gap) and individual child item properties (flex-grow, flex-shrink, flex-basis, align-self, order) with live responsive resizing and instant CSS, Tailwind V4 & Bootstrap export.
When should you use it?
Use this tool to design navigation bars, card rows, centered hero layouts, responsive toolbars, and dynamic item lists without getting confused by flex alignment syntax.
Key Capabilities & Features
Highlights
Visual flexbox container and interactive child item layout studio with real-time responsive simulation
Comprehensive controls for flex-direction, flex-wrap, justify-content, align-items, and align-content
Split Row/Column gap slider toggles and quick item add/remove/reorder management
Individual flex item controls for flex-grow, flex-shrink, flex-basis, align-self, and order hierarchy
Export clean CSS Flexbox rules, Tailwind CSS V4 flexbox utilities, and Bootstrap 5 markup