Free · Turn curves into straight steps

SVG Curve Flattener

Replace SVG curves with short straight lines for cutters, plotters, and simple geometry.

  • Real vector geometry
  • Private in your browser
  • SVG and path downloads

Turn curves into straight steps

Paste path data from an SVG d attribute. The work stays in this browser tab.

Fine detail makes more short lines. Coarse detail makes fewer lines.

Line detail
PreviewChecking starter path
Ready for a pathCheck the path data, then press Flatten curves.

Three simple steps

How to use it

  1. Paste path data that contains curves.
  2. Choose the amount of straight-line detail.
  3. Check the new point count before download.

Your path stays on this device

Paper.js reads and changes the vector points inside this browser tab. Bookify does not upload or save the path data.