OneFreePlace
FREE ONLINE TOOL

Free CSS Flexbox
Generator

Build, understand and export production-ready Flexbox layouts with live container and item controls, diagnostics, presets and clean CSS/HTML output.

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FreeUse this tool without paying.No sign upStart with the tool right away.Clear stepsRead the tool’s own guidance.

About Free CSS Flexbox Generator

Build real Flexbox layouts visually, edit each child, spot rules that have no effect, then copy clean CSS, HTML or Tailwind-ready classes. Everything runs locally in your browser.

Workspace options

  • Justify content · main axis
  • Align items · cross axis
  • Align content · multi-line only
  • Row gap
  • Column gap
  • Preview width

Available actions

  • Import CSS
  • ↶ Undo
  • ↷ Redo
  • Import
  • Reset
  • flex