Flexbox Generator
Build CSS flexbox layouts visually with live code output.
Live preview
Generated CSS
Frequently Asked Questions
How do I use the Flexbox Generator?
Adjust the controls and sliders in the configuration panel — the preview updates in real time. Once satisfied with the result, click the copy button to grab the generated CSS code and paste it straight into your stylesheet.
Can I copy the generated CSS code?
Yes. A one-click copy button is available next to the code output area. The code is production-ready and can be pasted directly into any stylesheet without modification.
Does this tool work on mobile?
Yes. The tool is fully responsive and works across phones, tablets, and desktops. The layout adapts automatically so all controls and previews remain accessible on smaller screens.
What CSS properties does Flexbox Generator generate?
The Flexbox Generator outputs the relevant CSS properties with all necessary vendor prefixes for broad browser compatibility. The generated code is clean, minimal, and ready to drop into any project.
Is the Flexbox Generator free to use?
Yes, completely free with no limits, no sign-up, and no premium tier. Every tool on Web Developer Toolbox is and will remain free for all developers.