CSS Flexbox Generator
Experiment with flex-direction, justify-content, align-items, and flex-wrap in an interactive playground.
Flexbox Controls
Visual Preview
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
flex-wrap: nowrap;About CSS Flexbox Generator
The Interactive CSS Flexbox Generator is a visual layout builder for CSS Flexible Box Layouts, providing interactive controls for flex-direction, justify-content, align-items, flex-wrap, gap, and child flex-grow properties with live preview and clean CSS export.
How to Use CSS Flexbox Generator
Step 1
Adjust container flex properties using the dropdowns and buttons.
Step 2
Add or remove sample child elements to test wrapping behavior.
Step 3
Inspect the live visual layout preview in real time.
Step 4
Click "Copy CSS" or "Copy Tailwind" to paste into your codebase.
Practical Use Cases for CSS Flexbox Generator
Responsive Navigation Bar & Grid Layouts
Visually layout responsive header navbars, card grids, and centered hero sections without guessing flex alignment values.
Learning & Visualizing Flexbox Alignment
Understand the difference between `justify-content` (main axis) and `align-items` (cross axis) with real-time visual feedback.
Input & Output Examples
Centering Content Vertically and Horizontally
Direction: Row, Justify: Center, Align: Center
CSS: display: flex; justify-content: center; align-items: center;
Key Features & Performance
- ✓Interactive visual container with add/remove flex items.
- ✓Controls for `flex-direction` (row, column, reverse), `justify-content`, `align-items`, `align-content`, `flex-wrap`, and `gap`.
- ✓Individual item controls: `flex-grow`, `flex-shrink`, `flex-basis`, and `align-self`.
- ✓Exports standard CSS and TailwindCSS flexbox classes.
- ✓100% Client-Side interactive application.
- ✓1-Click Copy CSS code.
Key Terminology & Definitions
Main Axis vs Cross Axis
The main axis runs in the direction defined by flex-direction (horizontal in row, vertical in column); the cross axis runs perpendicular to it.
Flex Grow & Shrink
Flex factors that determine how much a child element expands to fill available free space or shrinks when space is constrained.