Web Tools
CSS Flexbox Generator
Build CSS flexbox layouts visually with a live preview, per-item configuration, and ready-to-use presets. Runs entirely in your browser — your data never leaves your machine.
css flexbox layout visual generator developer-tools
Published May 28, 2026
All interactive tools run entirely in your browser. Your data never leaves your device.
How It Works
Configure the flex container properties (direction, wrap, justify, align, gap) and see items rearrange in real-time. Click any item in the preview to edit its individual flex properties (order, grow, shrink, basis, align-self). Copy the generated CSS when you’re done.
Features
- Live preview: see your flexbox layout update in real-time
- Container controls: direction, wrap, justify-content, align-items, gap
- Per-item editing: click any item to configure order, flex-grow, flex-shrink, flex-basis, align-self
- Dynamic item count: add or remove items (1-12)
- 6 presets: Center Everything, Space Between, Column Stack, Wrap Grid, Holy Grail, Navbar
- Clean CSS output: only includes non-default properties
- Copy CSS: one-click copy of the complete CSS declarations
- Private: runs entirely in the browser — no data transmitted
Presets
| Preset | Description |
|---|---|
| Center Everything | Items centered horizontally and vertically |
| Space Between | Items spread evenly with space between |
| Column Stack | Vertical stack with gap |
| Wrap Grid | Wrapping items with gap |
| Holy Grail | Classic header/sidebar/main/sidebar/footer |
| Navbar | Navigation bar layout |