Flexbox Generator is a free, browser-based colour and CSS design tool. Create Flexbox layouts interactively. Preview all flex properties in real-time and copy the CSS.
UI/UX designers, front-end developers, and graphic designers use Flexbox Generator every day to save time and skip the overhead of desktop software or paid services. No installation, no account, and no technical knowledge required — just upload Flexbox Generator and get results in seconds. Your files never leave your browser — full privacy by design.
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How to use Flexbox Generator
1
Set flex properties
Configure direction, wrap, justify, align.
2
Preview
See live layout preview.
3
Copy CSS
Get the flexbox CSS code.
Use Cases
- Quick one-off conversions without installing software
- Batch processing multiple items to save time
- Demonstrating concepts in teaching and learning contexts
- Cross-platform compatibility conversions and format standardisation
Key Benefits
- 100% free with no usage limits, watermarks, or hidden fees
- No account or sign-up required — use it instantly
- Works in all modern browsers on desktop, tablet, and mobile
- Privacy-first: all processing runs locally, files never leave your device
- Professional, print-ready output in seconds
- Fully customisable fields to match your requirements
- Download as PDF or copy directly to clipboard