Tuttilo

Flexbox Generator

Visual CSS flexbox playground with live preview

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CSS Flexbox Generator - Visual Playground | Tuttilo

Create CSS flexbox layouts visually with real-time preview. Configure flex-direction, flex-wrap, justify-content, align-items, and gap properties interactively.

Configure container properties using the visual controls: flex-direction switches between row and column layouts, flex-wrap determines whether items stay on one line or wrap to multiple lines, justify-content aligns items along the main axis, align-items positions them on the cross axis, and gap sets spacing between flex children. Add or remove preview items to see how your layout adapts to different content quantities. The live preview updates instantly as you adjust each property, and the generated CSS shows both the container and item rules ready to copy into your project.

Navigation bars use flexbox with space-between justification to push logo left and menu items right without manual positioning calculations. Card grids employ flex-wrap with gap spacing to create responsive galleries that automatically reflow at different screen widths without media queries. Form layouts utilize flex-direction: column for mobile and switch to row for desktop to stack labels above inputs on small screens. Dashboard widgets align icons and text using align-items: center to vertically center content regardless of varying text heights or icon sizes.

Start with justify-content for main axis alignment (horizontal in row, vertical in column) and align-items for cross axis β€” this mental model prevents confusion. Use gap instead of margins on flex children for spacing since it won't add extra space at container edges. flex-wrap: wrap enables responsive behavior without media queries when combined with flex-basis or min-width on children. Remember that align-content only affects multi-line flex containers, not single lines. For equal-width columns, set flex: 1 on children; for content-based sizing, use flex: 0 1 auto to prevent shrinking.

All processing happens directly in your browser. Your files never leave your device β€” no server uploads, no cloud storage, no data retention. The tool works offline once loaded, requires no registration, and is completely free with no usage limits.

Frequently Asked Questions

What is CSS Flexbox?

CSS Flexbox (Flexible Box Layout) is a one-dimensional layout method for arranging items in rows or columns, with powerful alignment and distribution capabilities.

What properties can I configure?

You can set flex-direction, flex-wrap, justify-content, align-items, align-content, and gap β€” all the key container-level flexbox properties.

Can I copy the generated CSS?

Yes, the tool generates clean CSS code that you can copy with one click and paste directly into your stylesheet.

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

justify-content controls alignment along the main axis (horizontal for row), while align-items controls alignment along the cross axis (vertical for row).

Is this tool free?

Yes, the Flexbox Generator is completely free with no usage limits.