CSS Flexbox Generator
Visually build responsive layouts and generate clean CSS code instantly
.container {
display: flex;
flex-direction: row;
flex-wrap: nowrap;
justify-content: flex-start;
align-items: stretch;
align-content: stretch;
gap: 10px;
}How to Use This Tool
- Select Direction: Choose how items are placed (Row or Column).
- Adjust Wrapping: Decide if items should stay on one line or wrap to the next.
- Align Items: Use 'Justify Content' for the main axis and 'Align Items' for the cross axis.
- Customize Spacing: Use the gap slider to add space between elements without margins.
- Get Code: Instantly copy the generated CSS class to use in your stylesheet.
Key Features
Real-time Preview
See changes instantly as you adjust flex properties. No need to refresh or guess how your layout will look.
Responsive Ready
Test wrapping behaviors crucial for mobile-friendly designs directly in the browser.
Clean Code
Generates semantic, standard CSS3 code compatible with all modern web browsers.
Full Control
Adjust advanced properties like align-content for multi-line flex containers.
Gap Control
Utilize the modern gap property to manage spacing effortlessly between flex items.
Made for Devs
Simple, fast, and free tool designed to speed up the workflow of Indian and global developers.
How It Works
The CSS Flexible Box Layout, commonly known as Flexbox, is a layout model that allows elements to align and distribute space within a container. It handles one-dimensional layouts (rows or columns).
The Logic:
.parent { display: flex; }Once an element becomes a flex container, its direct children become flex items. The Main Axis is defined by flex-direction, and the Cross Axis runs perpendicular to it. The properties you adjust in this tool manipulate alignment along these axes.
Practical Examples
🇮🇳 Navigation Bar (Mumbai Tech Startup)
Scenario: A developer needs a header with a logo on the left and links on the right.
Settings: flex-direction: row, justify-content: space-between, align-items: center.
Result: Logo stays left, links push right, all vertically centered.
🇺🇸 Card Grid (E-commerce Site)
Scenario: Product cards that need to wrap to the next line on small screens.
Settings: flex-wrap: wrap, gap: 20px, justify-content: center.
Result: Cards flow naturally, wrapping when horizontal space runs out.
🇮🇳 Hero Section (Personal Portfolio)
Scenario: Centering a headline and button perfectly in the middle of the screen.
Settings: justify-content: center, align-items: center, height: 100vh.
Result: Content is dead-center regardless of screen size.
What is a Flexbox Generator?
A Flexbox Generator is a visual development tool that helps web designers and developers create CSS layouts without manually writing code. Instead of memorizing complex syntax like justify-content or align-items, you can simply click buttons and see the result immediately. This is especially useful for beginners learning CSS or professionals who want to rapid-prototype a UI component.
Flexbox revolutionized web design by replacing "float" hacks and table layouts. It provides a more efficient way to lay out, align, and distribute space among items in a container, even when their size is unknown and/or dynamic.
🎓 Want to Master CSS Layouts?
Read our comprehensive guide on using Flexbox for modern web design.
Read Full Guide →Flexbox Concept in Other Languages
Frequently Asked Questions
Is this tool free to use?
Yes, this Flexbox Generator is completely free to use for personal and commercial projects without any limitations.
What browsers support Flexbox?
Flexbox is supported by all modern browsers, including Chrome, Firefox, Safari, Edge, and Opera. It is safe to use for 98% of web traffic.
Can I use this code for React or Vue?
Yes. The output is standard CSS. You can paste it into your CSS files, styled-components, or CSS modules used in React, Vue, or Angular.
How does 'gap' work in Flexbox?
The gap property defines the space between rows and columns. It replaces the old method of using margins on children and negative margins on containers.
Why are my items not wrapping?
By default, Flexbox tries to fit all items on one line (nowrap). To allow them to break into multiple lines, you must set flex-wrap to wrap.
Is Flexbox better than CSS Grid?
Neither is "better." Flexbox is designed for one-dimensional layouts (rows OR columns), while CSS Grid is for two-dimensional layouts (rows AND columns). They work best when used together.
Do I need to download any software?
No, this is a web-based tool. You can access it from any device with a browser.
How do I center a div perfectly?
Set display: flex, justify-content: center, and align-items: center on the parent container.
Recommended Hosting
Hostinger
If you are building a website for your tools, blog, or store, reliable hosting matters for speed and uptime. Hostinger is a popular option used worldwide.
Visit Hostinger →Disclosure: This is a sponsored link.
Contact Us
Have suggestions or found a bug? Reach out to us.