ToolNest

📐Flexbox Generator

Visually build CSS flexbox layouts with live preview.

🆓 Free🔒 Secure⚡ Instant📱 Mobile-friendly🚫 No signup

Generate CSS flexbox code online for free. Visual layout builder with live preview and copy.

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CSS
display: flex;
flex-direction: row;
justify-content: center;
align-items: center;
flex-wrap: nowrap;
gap: 8px;

How to Use Flexbox Generator — Step by Step

  1. 1Choose flex container properties — direction, wrap, justify-content, align-items
  2. 2Add flex items and set their grow, shrink, and basis values
  3. 3Preview updates in real time showing how items would lay out
  4. 4Copy the generated CSS for your flex container and items

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Frequently Asked Questions

Is this tool completely free?

Yes. All ToolNest tools are 100% free with no signup required, no account, and no watermarks added to output files.

Are my uploaded files secure and private?

All uploads use HTTPS encryption during transfer. Files are processed on secure isolated servers and automatically deleted within 2 hours of upload.

Does this tool work on mobile phones?

Yes. ToolNest works on any modern browser on iPhone, Android, tablet, or desktop — no app download or plugin needed.

Do I need to create an account?

No. Just open the tool, upload your file, and download the result. No email, no signup, no password.