🔲 CSS Grid Generator — Visual Layout Builder
Build and customize CSS Grid layouts with an interactive drag-to-resize canvas. Configure columns, rows, gaps, and alignment — then copy the clean CSS code. Free, no signup.
Structure
Column Widths
Row Heights
Alignment
📋 When to Use the CSS Grid Generator
The CSS Grid Generator is ideal for front-end developers and designers who need to build responsive CSS Grid layouts quickly without writing code by hand. Use it when prototyping page layouts, designing dashboard interfaces, or experimenting with grid-based gallery and card layouts. The visual drag-to-resize canvas makes it easy to see how changes affect each column and row in real time, and the one-click CSS export eliminates tedious syntax lookups. Perfect for rapid iterations during design sprints or when working from a browser-only environment. Everything runs client-side, so your layout data stays private.
⚙️ How the CSS Grid Generator Works
The CSS Grid Generator runs entirely in your browser using vanilla JavaScript. When you adjust the column count, row count, gap, or track sizes, the tool recalculates the CSS grid-template properties and renders the layout on the interactive canvas in real time. Colored grid items are draggable, allowing you to test grid item placement visually. The CSS output box shows the complete grid rule set — grid-template-columns, grid-template-rows, gap, justify-items, and align-items — which you can copy with one click. No data is sent to any server; all processing stays within your browser session.
How to Use This Tool
- Set the grid structure — use the Columns and Row sliders to define your grid dimensions (1–12 each).
- Customize track sizes and gap — click preset buttons (1fr, auto, px, %) or enter custom sizes per column/row. Adjust the gap slider for spacing.
- Drag grid items — click and drag the colored items on the canvas to rearrange them visually. The grid area and CSS update accordingly.
- Copy the generated CSS — click the output code box or the Copy CSS button to copy the complete grid CSS. Paste directly into your stylesheet.
Frequently Asked Questions
What does the fr unit mean in CSS Grid?
The fr (fraction) unit distributes available space proportionally. For example, 1fr 2fr means the second column gets twice the space of the first. It works like flex-grow but specifically for grid tracks.
Can I combine different unit types (px, fr, %)?
Yes. CSS Grid supports mixed units. For example, grid-template-columns: 200px 1fr 2fr — the first column is fixed at 200px, and the remaining space is split 1:2 between the second and third columns. The generator preserves whatever values you enter.
Is the generated CSS responsive?
The generator outputs the grid definition exactly as configured. For responsive grids, you can adjust the values or use media queries in your stylesheet. The preview canvas resizes with your browser window, showing how the grid behaves at different widths.
How do I place grid items spanning multiple cells?
CSS Grid supports spanning with grid-column and grid-row properties. This generator places items in source order (auto-flow) for simplicity. For advanced spanning, edit the generated CSS to add column/row span values — for example, grid-column: span 2 makes an item stretch across two columns.
Does this tool work offline?
Yes. Once the page loads, the CSS Grid Generator runs entirely client-side with no server dependencies. All grid calculations, drag interactions, and CSS generation happen in your browser. If you've visited the page before, it may also be cached by the service worker for offline use.