Flexbox Generator
Generate CSS flexbox layouts visually with live preview and copy the code
.container {
display: flex;
flex-direction: row;
flex-wrap: nowrap;
justify-content: flex-start;
align-items: stretch;
align-content: normal;
gap: 8px;
}What is Flexbox Generator?
The Flexbox Generator is a free online tool that creates CSS flexbox layouts with a live visual preview. Adjust flex properties like direction, justify-content, align-items, and wrap using controls and instantly see the result, then copy the generated CSS.
Why Use DevBench Flexbox Generator?
DevBench Flexbox Generator runs entirely in your browser — your data never leaves your device. No sign-up, no limits, no watermarks, completely free forever.
How to Use Flexbox Generator
- Select flex-direction (row, column, row-reverse, column-reverse)
- Choose justify-content to control main axis alignment
- Set align-items to control cross axis alignment
- Toggle flex-wrap to control item wrapping
- Copy the generated CSS and apply to your project
Examples
- Create a centered flexbox layout for a hero section
- Generate a horizontal navigation bar with flexbox
- Create a card grid with flex-wrap
- Generate a sidebar layout with flexbox
- Create a vertically centered modal with flexbox
Use Cases
- Creating responsive navigation bars
- Building card grid layouts
- Centering content vertically and horizontally
- Creating sidebar and main content layouts
- Building footer layouts with flexbox
- Creating form layouts with flexbox
- Learning flexbox properties visually
Frequently Asked Questions
What is CSS Flexbox?
Flexbox is a CSS layout model that makes it easy to align and distribute space among items in a container.
When should I use Flexbox vs Grid?
Use Flexbox for one-dimensional layouts (rows or columns). Use CSS Grid for two-dimensional layouts.
What browsers support Flexbox?
All modern browsers fully support Flexbox. IE11 has partial support with some bugs.
What is the difference between justify-content and align-items?
justify-content aligns items along the main axis. align-items aligns items along the cross axis.
What does flex-wrap do?
flex-wrap allows flex items to wrap onto multiple lines when they exceed the container width.