What is a CSS grid generator?

A CSS grid generator is a visual tool that creates CSS Grid layout code by letting you set the number of columns, rows, and gap values and seeing the result live. Our generator supports fr, px, %, and auto units with six layout presets. All generation runs entirely in your browser with no data sent to a server.

What is the difference between CSS Grid and Flexbox?

CSS Grid is two-dimensional and controls both columns and rows simultaneously, making it ideal for page layouts. Flexbox is one-dimensional for distributing items along a single axis. Use Grid for layouts and Flexbox for component alignment.

How do I create a responsive grid layout?

Use the fr unit for columns to create responsive grids that adapt to the container width. A 3-column grid with 1fr columns divides available space equally at any screen size.

Can I use the generated CSS with Tailwind CSS?

Yes. Use arbitrary values in Tailwind: className="grid grid-cols-[repeat(3,1fr)] gap-4". All units (fr, px, %) work with Tailwind's arbitrary value syntax.

CSS Grid Generator

Build CSS Grid layouts visually with columns, rows, and gap controls - instantly and for free. Choose from fr, px, %, or auto units for both columns and rows. Six layout presets provide instant starting points. See the live grid preview with numbered cells and copy the production-ready CSS with one click. Fully private, no signup required.

CSS Grid Generator

Visual CSS Grid layout builder. Set columns, rows, and gap values with live preview. Choose from layout presets and copy the generated CSS with one click.

Layout Presets

Columns

Column Count3

Column Width1fr

Rows

Row Count3

Auto rows size to fit content

Gaps

Column Gap12px

Row Gap12px

CSS Output

display: grid;
grid-template-columns: repeat(3, 1fr);
grid-template-rows: repeat(3, auto);
gap: 12px;

Live Preview

3 × 3 grid9 cellsGap: 12×12px

Why Use Our CSS Grid Generator?

Live Preview & Instant CSS

The CSS grid generator updates the live preview and CSS output on every change - no button to press. See exactly how many columns, rows, and cells your grid creates and copy the CSS declaration in one click.

Flexible Units & Layout Presets

Choose from fr, px, %, or auto units for both columns and rows. Six layout presets provide instant starting points - from simple 3-column grids to complex 12-column layouts and sidebar configurations.

100% Private - No Upload

All CSS grid generation happens locally in your browser. Your layout choices never leave your device and are never sent to any server - safe for client projects and proprietary design systems.

Free & No Limits

Generate unlimited grid layouts with no signup, no subscription, and no usage caps. The CSS grid generator is completely free forever with no ads blocking the interface.

Common Use Cases for CSS Grid Generator

Responsive Page Layouts

Web designers use the CSS grid generator to prototype responsive page layouts with flexible column structures. The fr unit creates fluid grids that adapt to any screen size, while px units give precise control for fixed-width sidebars and headers.

React & Component Libraries

Frontend developers use the CSS grid generator to design grid-based component layouts for React, Vue, and Angular applications. Copy the exact CSS and integrate it into component styles, styled-components, or CSS-in-JS solutions.

Design-to-Code Handoff

Designers use the CSS grid generator to translate Figma, Sketch, or Adobe XD grid layouts into precise CSS code for developers. The visual preview matches the design mockup, eliminating guesswork during handoff.

Email Template Layouts

Email developers use the CSS grid generator to design table-free email layouts using CSS Grid (supported in Apple Mail, Outlook.com, and Yahoo Mail). The template-columns and gap values produce clean, responsive email structures.

CSS Learning & Experimentation

Frontend learners use the CSS grid generator to understand how grid-template-columns, grid-template-rows, and gap work together. The visual preview makes it easy to see how each control affects the final grid layout.

Card Grids & Gallery Layouts

Content creators use the CSS grid generator to design card-based layouts for blog archives, product galleries, portfolio grids, and dashboard widgets. The live preview shows exact cell counts and alignment.

Understanding CSS Grid

What is CSS Grid?

CSS Grid Layout (also known as CSS Grid) is a two-dimensional layout system that lets you control both columns and rows simultaneously. Unlike Flexbox which is one-dimensional, Grid can handle complex page layouts with items aligned in both directions. The key properties are grid-template-columns, grid-template-rows, and gap (formerly grid-gap). Our CSS grid generator creates these properties visually and outputs production-ready CSS for any modern browser.

How Our CSS Grid Generator Works

Set columns and rows: Use the sliders to set the number of columns (1-12) and rows (1-12). Choose a unit for each dimension - fr (fraction of available space), px (fixed pixels), % (percentage of the container), or auto (fit to content). The live preview updates instantly.
Adjust gaps and width/height: Set the column and row gap values independently using sliders (0-100px). If using fr, px, or % units, set the track size value. The preview shows numbered cells so you can see exactly how many grid items you can place.
Copy the CSS:Click “Copy CSS” to copy the production-ready CSS declaration to your clipboard. The output includes display: grid, grid-template-columns, grid-template-rows, and gap.

CSS Grid Units Explained

fr (Fraction Unit): Distributes available space proportionally between columns/rows. 1fr 2fr creates two columns where the second is twice the width of the first. The fr unit is the most common choice for responsive grid layouts.
px (Pixels): Creates fixed-size tracks that do not change when the container is resized. Use px for fixed-width sidebars, icon grids, and elements with precise size requirements.
% (Percentage): Creates tracks sized as a percentage of the container width. Note that percentage values are calculated from the available space after gaps are subtracted.
auto: Sizes the track to fit its content. Auto columns expand to the width of the widest item, and auto rows expand to the height of the tallest item in that row.

Browser Support & Best Practices

CSS Grid is supported in all modern browsers (Chrome 57+, Firefox 52+, Safari 10.1+, Edge 16+) without vendor prefixes. For the best results, use the fr unit for responsive column layouts and auto for rows that adapt to content height. The gap shorthand property accepts one value (equal gaps) or two values (row column), which our CSS grid generator handles automatically.

Related CSS Generators

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Visual Flexbox builder with direction, wrap, justify-content, align-items, align-content, and gap controls. Live layout preview with draggable items.

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CSS Gradient Generator

Build linear, radial, and conic gradients visually with up to 10 colour stops. Live preview with instant CSS output.

Frequently Asked Questions About CSS Grid Generator

A CSS grid generator is a visual tool that creates CSS Grid layout code by letting you set the number of columns, rows, and gap values and seeing the result live. Our CSS grid generator supports multiple units (fr, px, %, auto), six layout presets, and outputs production-ready CSS for display: grid, grid-template-columns, grid-template-rows, and gap properties. All generation runs entirely in your browser with no server uploads.

CSS Grid is a two-dimensional layout system that controls both columns and rows simultaneously, making it ideal for page layouts and complex grid structures. Flexbox is one-dimensional and works well for distributing items along a single axis. Use Grid for page-level layouts and Flexbox for component-level alignment. Our CSS grid generator focuses specifically on the grid-template and gap properties for two-dimensional layouts.

The fr (fraction) unit distributes available space proportionally between grid tracks. For example, grid-template-columns: 1fr 2fr creates two columns where the second column is twice the width of the first. The fr unit is available space after fixed-size tracks (px, %) and gaps are subtracted. It is the most commonly used unit for responsive grid layouts.

Yes. All CSS grid generation happens 100% client-side in your browser. Your layout choices are never sent to any server, never stored, and never transmitted anywhere. The CSS grid generator is completely private and safe for client projects.

Yes. The CSS grid generator is 100% free with no signup required, no premium features, and no usage limits. Generate unlimited grid layouts without any restrictions or hidden costs.

Our CSS grid generator supports four units: fr (fraction of available space), px (fixed pixels), % (percentage of the container), and auto (fit to content). You can choose different units for columns and rows independently, giving you full flexibility for any layout requirement.

Use the fr unit for columns to create responsive grids that automatically adapt to the container width. For example, a 3-column grid with 1fr columns will divide the available space equally at any screen size. For responsive behavior at breakpoints, use the generated CSS with media queries that adjust the column count.

Yes. You can use the generated CSS in Tailwind by adding the grid styles to your tailwind.config.js under theme.extend or by using arbitrary values in your classes. For example: className="grid grid-cols-[repeat(3,1fr)] gap-4". The fr, px, and % units all work with Tailwind's arbitrary value syntax.