About This Tool
The CSS Flexbox Generator removes the guesswork from building flexible layouts. Select values for flex-direction, justify-content, align-items, flex-wrap, and gap using dropdown menus and a slider, then watch a set of live colored child boxes rearrange in real time inside a flex container. No more tabbing back and forth between your editor and browser to see if align-items: center actually does what you expect.
Flexbox is the backbone of modern CSS layout, yet its terminology trips up both beginners and seasoned developers. Terms like "main axis," "cross axis," "space-between," and "stretch" become immediately intuitive once you can see them in action. This generator bridges the gap between reading documentation and writing confident production CSS by letting you explore every combination interactively before committing to any code.
The generated CSS block includes only the container properties — display: flex and the values you have chosen — so you can paste it directly into any selector. The output is clean, minimal, and compatible with all modern browsers. Use the tool to prototype nav bars, card grids, button groups, or any other component that benefits from flexible one-dimensional layout.