Raster to Vector

Gradient-Edged Raster to Sharp Vector

Description

Creation of vector images from raster shapes

Purpose

  • Resolution-agnostic, no pixelation at larger sizes
  • Smaller code bundle and payloads
  • Less image files rqd, like for dark mode. Shrinks initial page load size and reduces asset count for maint, loading and caching.
  • Dynamic CSS stroke, fill, and opacity for tagged objects embedded in SVGs
  • For situations where original fonts from raster images are proprietary, or a matching font can't be found

Trace

Trace image outlines, clean up paths and export.

Trace bitmap does not perform well on rasters with gradients and complex details.

Trace Bitmap

Prioritize sharp edges:

  • Brightness cutoff
  • Edge detection

Clean Up Paths

  • Remove excess nodes, and smooth curves, using Node tool.

Export to SVG

  • Set stroke to black and fill none, or reverse
  • Export

Filter

  • Use Monochrome Transparency filter to eliminate white, for a transparent background. or

Use Saturation Map for an approximate, semi-transparent, colorable, image from saturation levels.

 

Copyright @ 2025 Anne Brown