CSS Grid Generator

Visually build CSS Grid layouts with column custom tracks, margins, and named layout areas. Export clean CSS or Tailwind code instantly.

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Learn About This Tool

Why use a visual grid builder?

CSS Grid is one of the most powerful layout systems in modern CSS, but writing grid-template-columns, grid-template-rows, and grid-template-areas by hand is slow and error-prone. This visual CSS Grid Generator lets you design layouts interactively and generate clean, copy-ready code in seconds. Instead of guessing track fractions or writing complex media queries, you can visually trace boundaries and preview cell spans instantly.

Build responsive layouts without writing grid CSS manually
Generate standard CSS or Tailwind CSS grid code instantly
Define rows, columns, gaps, and named areas with live preview
Experiment with fr units, px, and % track sizes interactively
Supports grid-template-areas for named, readable layout regions

CSS Grid code examples

Here are the most common grid patterns with the exact CSS output this generator produces. All examples use modern CSS with no vendor prefixes required. You can see how setting simple column configurations creates stable, production-grade responsive frameworks.

Two equal columns: grid-template-columns: 1fr 1fr;
Three columns, wide center: grid-template-columns: 1fr 2fr 1fr;
Sidebar + main: grid-template-columns: 240px 1fr;
Responsive auto-fit: grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
Named areas (holy grail): grid-template-areas: 'header header' 'sidebar main' 'footer footer';
Fixed gap: gap: 16px; (works in both Grid and Flexbox)

The power of fractional units

The fr unit (fractional unit) represents a share of the available free space in the grid container after fixed-size tracks are placed. For example, grid-template-columns: 1fr 2fr 1fr creates three columns where the middle is exactly twice as wide as the outer columns — at any screen size, with no media queries. This is the key difference between fr-based grids and percentage-based layouts: fr units account for gaps automatically. For visual polish on your grid items, pair layouts with our CSS Box Shadow Generator.

Create responsive grid cards without media queries

CSS Grid makes responsive design significantly easier. The most powerful pattern is repeat(auto-fit, minmax(min, 1fr)) — it automatically places as many columns as fit at the minimum size, then stretches them to fill the row. No media queries needed for the column count. For Tailwind CSS projects, you can combine the generated layout with responsive prefixes like md:grid-cols-3 and lg:grid-cols-4 for breakpoint-driven column changes. You can also use grid-auto-rows: minmax(100px, auto) to create implicit rows that grow with content rather than clipping it.

Tailwind utility-class grid conversions

Switch the output format to Tailwind to get utility-class equivalents of your grid layout. Common Tailwind grid classes include grid grid-cols-3 gap-4 for a basic three-column grid, or grid-cols-[240px_1fr] as an arbitrary-value class for a sidebar layout. For complex grid-template-areas, paste the generated CSS into your tailwind.config.js under theme.extend.gridTemplateAreas using the tailwindcss-grid-areas plugin. Combine with our CSS Flexbox Playground to handle component-level alignment inside each grid cell.

Popular responsive grid design patterns

These are the most frequently built layouts using CSS Grid, with the grid-template-columns value for each. Using these layout structures ensures standard user experiences across both mobile and desktop screens.

Two-column blog: grid-template-columns: 1fr 1fr; — ideal for article lists and documentation
Sidebar + content: grid-template-columns: 260px 1fr; — standard dashboard and admin panel structure
Responsive card grid: grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); — galleries and product grids
Holy grail layout: three rows (header, middle, footer) with middle split into sidebar/main/sidebar using grid-template-areas
Landing page sections: grid-template-columns: 1fr; with full-width rows — hero, features, CTA stacked vertically
Pricing table: grid-template-columns: repeat(3, 1fr); with equal-width plan cards

Visualizing template areas in CSS

The grid-template-areas property is the most readable way to define a complex layout. Instead of counting line numbers, you assign names to cells using ASCII art syntax, then reference those names in child elements with grid-area. This ensures that changing the layout requires modifying only one property.

Define the template: grid-template-areas: 'header header' 'sidebar main' 'footer footer';
Assign each child: .header { grid-area: header; } .sidebar { grid-area: sidebar; }
Use a dot (.) for empty cells: grid-template-areas: 'header header' '. main';
Named areas automatically set grid-column and grid-row line spans — no manual span counting needed
This generator lets you visually paint and name areas, then copies the complete grid-template-areas CSS

CSS Grid properties reference

The most commonly used CSS Grid properties and what they control.

display: grid — enables grid layout on the container
grid-template-columns — defines column track sizes (fr, px, %, auto, minmax)
grid-template-rows — defines row track sizes
gap (or row-gap / column-gap) — controls spacing between all grid cells
grid-template-areas — assigns named regions to the grid
grid-column: span N — makes an item span N columns
grid-row: span N — makes an item span N rows
grid-auto-rows: minmax(100px, auto) — sizes implicitly created rows
place-items: center — shorthand for align-items + justify-items

Build complete responsive interfaces

A great layout is only one part of a polished UI. Pair your grid structure with gradient backgrounds from our CSS Gradient Generator, depth effects from our CSS Box Shadow Generator, and component-level alignment from our CSS Flexbox Playground to build production-ready web experiences without leaving the browser.

How to Use CSS Grid Generator

Set columns and rows dimensions

Start by setting the number of columns and rows using the plus and minus buttons on the Columns and Rows track selectors inside the top panel. The grid preview canvas updates instantly, allowing up to 12 columns and rows.

Customize column and row sizes

Click the Config button in the floating bottom dock. Inside the advanced configuration popup, click the individual track buttons under Column Tracks or Row Tracks to cycle sizes between fr, auto, 100px, and 25% tracks.

Adjust horizontal and vertical gutters

Use the Column Gap and Row Gap sliders in the Config popup to set gutters between cells from 0px to 100px. This spaces elements uniformly without needing cell margins.

Paint named grid template regions

Place your cursor on the canvas and drag your mouse across cells (or touch-drag on mobile viewports) to paint an area. Name the area (such as 'header' or 'sidebar') using the rename input fields, or click the small circular X delete button to clear it.

Export standard CSS or Tailwind classes

Click the Export button in the floating bottom dock. In the side drawer, click the CSS or Tailwind formatting tabs to select your layout standard, then click the COPY SETUP button to copy the code.

Common questions

What is a CSS grid generator?

A CSS grid generator is an interactive web developer tool that allows you to visually design 2-dimensional layouts by adding rows, columns, margins, and template spaces. It automates the complex syntax calculations of properties like grid-template-columnsand outputs standard-compliant, production-ready code.

What does the fr fractional unit do?

The fr unit represents a dynamic fraction of the remaining free space inside a grid container. For example, settinggrid-template-columns: 1fr 2fr 1fr partitions the grid such that the middle column is exactly twice as wide as the other two, automatically accounting for any row or column gaps.

Why should I use gap instead of margin or padding?

The modern gap property (and its axis variants column-gap and row-gap) applies gutter margins solely between grid cells, preventing outer spacing issues. Unlike margins, gap does not require negative offset adjustments on wrapper elements and is fully supported in both CSS Grid and CSS Flexbox layout systems.

What is the difference between auto-fit and auto-fill?

Both options compute the maximum number of tracks that can fit within a container at a set minimum width. However, auto-fillcreates empty columns even if they contain no child nodes, whereas auto-fit collapses any unused tracks to a width of0px, causing the occupied columns to expand and fill the remaining container space.

How do grid template areas work?

Named template areas allow you to structure layouts using string-based ASCII matrices. Define regions on the parent element usinggrid-template-areas: "header header" "sidebar main" and apply them to child elements using thegrid-area: header; property. This binds children to their mapped regions regardless of source order.

Is it possible to generate Tailwind CSS grid classes?

Yes. Toggle the export format to Tailwind inside the tool to output utility classes like grid-cols-4 or arbitrary syntax formats like grid-cols-[240px_1fr]. For complex layouts utilizing named areas, the generator outputs custom column and row coordinates (e.g., col-start-1 col-end-3 row-start-2 row-end-3) to maintain responsive layouts.

How do I align items inside a grid cell?

To align child content within individual grid tracks, apply standard alignment properties like align-items for vertical placement and justify-items for horizontal placement. Shorthand syntax like place-items: center centers all nested children instantly.

What is a subgrid and is it supported?

The subgrid value allows a nested grid item to inherit the exact row and column tracks of its parent container rather than establishing independent tracks. Setting grid-template-columns: subgrid aligns nested content across separate cards, and is fully supported in major browser engines as of 2026.

Can I build a holy grail layout using this tool?

Yes. A holy grail layout consists of three horizontal rows (header, body, footer) where the center body is split into three columns (left sidebar, main content, right sidebar). Use the visual paint tool to draft these three rows, define a sidebar preset of250px 1fr 250px, and export the layout immediately.

How do implicit grids differ from explicit grids?

Explicit grids are defined by declaring track templates manually. Implicit grids are created dynamically by the browser when elements overflow the explicit track count. You can set a baseline size for implicit tracks using the grid-auto-rows: minmax(80px, auto) property.

Does the CSS grid generator support nested grid components?

Yes. The generated CSS can be applied to any container, and any grid item inside that container can itself be declared as a grid container by adding display: grid. This nesting lets you construct infinitely complex frontend layouts.

Can I use this tool for responsive design on mobile devices?

Yes. Use flexible tracks combined with minmax() boundaries (e.g., repeat(auto-fit, minmax(280px, 1fr))) to build layouts that reflow column counts automatically based on screen widths without requiring complex media queries.

Is my visual layout configuration secure?

Yes. The entire design workspace operates purely within client-side JavaScript. Your grid coordinates, names, track numbers, and generated CSS do not touch any server, ensuring complete privacy.

What browser engines support standard CSS Grid layouts?

All modern browser platforms, including Chrome 57+, Safari 10.1+, Firefox 52+, and Edge 16+, support standard two-dimensional grids. You do not need vendor prefixes (like -ms- or -webkit-) to compile these properties.

Can I copy and paste grid layouts directly into Next.js or React?

Yes. In standard React projects, you can copy the raw CSS output into your stylesheet. For components using inline styles, format properties as camelCase objects: { display: 'grid', gridTemplateColumns: '240px 1fr' }. For Tailwind frameworks, copy the Tailwind grid classes directly into your component className attributes.

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