Interactive CSS Flexbox Generator & Visual Playground

Experiment with flex-direction, justify-content, align-items, flex-wrap, and gap with real-time visual cards.

CSS Flexbox Generator & Playground

Visual interactive builder for CSS Flexbox layouts with direction, alignment, and gap controls.

flex-direction

justify-content

align-items

flex-wrap

Gap (16px)

Items (4)

CSS Code

display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
flex-wrap: wrap;
gap: 16px;

CSS Flexbox Generator & Playground provides an interactive canvas to visually test and generate CSS flexbox container code.

Full primary and cross axis controls

Live interactive flex container preview

Adjustable gap and item counters

One-click CSS code copy

Master CSS flexbox alignment rules visually without guessing.

Instant copyable CSS container rules.

Interactive item count testing.

Use 'justify-content: space-between' with 'align-items: center' for navigation headers
Use modern 'gap' property instead of adding margins to child elements

What is the difference between justify-content and align-items?

justify-content aligns items along the primary axis (horizontal in row mode), while align-items aligns along the cross axis (vertical in row mode).

What does flex-wrap: wrap do?

It allows flex items to wrap onto multiple lines when there is not enough room in the container.

Convert Base64 data strings into viewable and downloadable PNG, JPEG, SVG, or WEBP images.

Check color contrast compliance for text and UI elements against WCAG 2.1 AA and AAA accessibility standards.

Generate a full 50-950 Tailwind/CSS palette of tints and shades from any base color.