Interactive Layout Builder

Build a layout by splitting boxes with the + buttons. When it looks right, copy the code.

Build the layout

Div ial

Tip: Split a box with +. Top/bottom splits into rows, left/right splits into columns.

Code output

<div className="flex-1 bg-gray-100 border border-gray-300 rounded p-4 min-h-[100px] flex items-center justify-center">
  <span className="text-gray-600 text-sm">Your content</span>
</div>

This updates as you build. Copy it into your project and tweak spacing/breakpoints there.

Quick guide

Split Boxes

Click + on a box to split it. Top/bottom splits into rows, left/right splits into columns.

Remove Boxes

Click × to remove a box. The remaining space collapses automatically.

Export Code

Pick JSX+Tailwind or HTML+CSS, copy, paste into your project, tweak as needed.

About this tool

This is a quick, no-friction way to sketch flexbox-based layouts. Split boxes until the structure feels right, then export clean HTML/CSS or JSX/Tailwind.

Key Features

Simple box-splitting workflow (no learning curve)
Nested layouts (split inside splits)
Live code output as you build
Export HTML/CSS or JSX/Tailwind
Copy/paste friendly
Runs in the browser (no installs)

Perfect For

Quick layout prototypes
Drafting a landing page structure
Planning a dashboard grid
Explaining a layout idea to a teammate
Turning a sketch into starter code

A couple quick tips

Start simple, then split again where you actually need it.
Use nesting for “sidebar + main” patterns.
Export early—then fine-tune spacing and breakpoints in your codebase.
Flip between formats if you’re comparing Tailwind vs plain CSS.

Frequently asked questions

What does the layout builder generate?▾

Draw boxes visually and get live code in JSX + Tailwind or HTML + CSS that you can copy into your project.

Is it free?▾

Yes. It is completely free with no signup, and everything runs locally in your browser, so your data never leaves your device.

Who is it for?▾

Developers and designers prototyping layouts quickly without hand-writing boilerplate markup.