CSS Flexbox Generator
Visually build flex containers. Adjust direction, wrap, alignment, and gap. Copy the CSS for your own projects. No sign‑up, no clutter.
display: flex; flex-direction: row; flex-wrap: nowrap; justify-content: space-evenly; align-items: center; gap: 8px;
Click "Copy CSS" to copy the generated flex container code.
What is a CSS Flexbox Generator?
This tool helps you create the CSS for a flex container without memorizing syntax. Flexbox (Flexible Box Layout) is a CSS module that makes it easy to align and distribute space among items in a container, even when their size is unknown. With our generator, you choose the flex properties — direction, wrapping, alignment, and spacing — and the tool instantly shows the result and outputs the exact CSS. It’s ideal for web designers, UI developers, and anyone building responsive layouts.
How to Use the Flexbox Generator
- Set the flex direction – Choose
row(horizontal) orcolumn(vertical) for the main axis. - Control wrapping – Enable
wrapif items should move to the next line when there's no more space. - Align items – Use
justify-contentfor main axis alignment andalign-itemsfor cross axis alignment. - Add spacing – Adjust the
gapslider to set the distance between items. - Add/remove items – Change the number of child elements to see how the layout responds.
- Copy the CSS – Click the "Copy CSS" button to get the complete flex container declaration.
Common Flexbox Layout Examples
- Horizontal navigation bar –
flex-direction: row; justify-content: space-between;with a few items. - Centered content –
justify-content: center; align-items: center;to perfectly center a single child. - Card grid –
flex-direction: row; flex-wrap: wrap; gap: 20px;to create a responsive card layout. - Vertical sidebar –
flex-direction: column; align-items: stretch;with navigation links. - Footer with space‑between –
justify-content: space-between;to push copyright and links apart.
Why Use This Flexbox Generator?
- Speed – No more guesswork or flipping between editor and browser; see the layout instantly.
- Visual learning – Understand how each property affects the design.
- Clean code – The generated CSS is minimal and production‑ready.
- Privacy – Everything runs locally; no data is sent anywhere.
- Free & offline – No sign‑up, works even after you disconnect.
Frequently Asked Questions
What is the CSS Flexbox Generator?
It’s a free visual tool that helps you create CSS flexbox layouts. You can adjust flex container properties like direction, wrap, alignment, and gap, and instantly see the result. The generated CSS is copy‑paste ready.
How do I use the Flexbox Generator?
Select options for flex-direction, flex-wrap, justify-content, align-items, align-content, and gap. The preview updates live. You can add or remove items. Click 'Copy CSS' to copy the complete flex container code.
Can I change the number of items?
Yes, use the 'Add Item' and 'Remove Item' buttons to increase or decrease the number of child elements in the preview.
What does 'flex-direction' do?
It defines the main axis and direction of the flex container. 'row' (default) places items horizontally, while 'column' stacks them vertically.
What does 'justify-content' do?
It aligns flex items along the main axis. 'space-between' puts space between items, 'center' groups them in the middle, etc.
What does 'align-items' do?
It aligns items on the cross axis (vertical if direction is row). 'stretch' makes them fill the container’s height, while 'center' vertically centers them.
Is this tool free?
Absolutely. It’s 100% free with no sign‑up or hidden costs.
Does it work offline?
Once the page has loaded, the entire tool runs in your browser. You can continue using it without an internet connection.
Is my data private?
Yes, all processing is done locally on your device. No layout data or CSS is ever sent to any server.
Can I use this on mobile?
Yes, the interface is fully responsive. All controls and the preview adapt to phones and tablets.
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