CSS Grid Generator — Free Online Tool
Build CSS Grid layouts with a visual preview. Set column and row counts, gap sizes, and template strings (e.g. '1fr 2fr 1fr'). Generates ready-to-use CSS and HTML scaffold.
100% client-side. No uploads. Your data never leaves your browser.
How to use CSS Grid Generator
- Set column and row counts.
- Adjust gaps.
- Optionally set custom template strings.
- Copy the CSS.
Frequently Asked Questions
What is 'fr' unit?
Fractional unit — 1fr means 'take one fraction of the available space'. 1fr 2fr 1fr splits space in a 1:2:1 ratio.
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