Free CSS Flexbox Generator

Build flexbox layouts visually with controls for flex-direction, flex-wrap, justify-content, align-items, align-content, and gap. Adjust the number of items and see the layout update in real-time. Copy the generated CSS for use in your projects. All processing happens locally.

How to Use

  1. Adjust flexbox properties using the dropdowns
  2. Add or remove items
  3. Preview the layout live
  4. Copy the CSS

Privacy

All processing happens locally. No data is transmitted.

Last reviewed: July 2026.