How to Simplify an SVG File
A simplified SVG has fewer anchor points, cleaner path structure, and smaller file size — without changing how it looks. Simplification is essential after auto-tracing images or exporting from complex design tools.
About Simplify SVG file
SVG simplification combines visual path simplification (reducing anchor points) with code-level optimization (removing redundant SVG markup). Both are needed for a properly simplified SVG file.
Visual simplification — reduce anchor points: In Illustrator: Object > Path > Simplify. Set Curve Precision to 90–95%. In Inkscape: Path > Simplify (Ctrl+L), repeated as needed. Target: visible curves should be smooth, straight segments should use only 2 anchor points (start and end), no duplicate or collinear points.
Code simplification — optimize the SVG markup: SVGO is the standard tool. Run via:
npx svgo input.svg -o output.svg
SVGO removes: empty groups, redundant attributes, default values, hidden elements, unused defs, and metadata. Average file size reduction: 40–70%.
Merge overlapping paths: In Illustrator: select overlapping shapes > Pathfinder > Unite. This merges paths that visually overlap into a single compound path, reducing render complexity.
Flatten unnecessary groups: Exported SVGs often wrap shapes in nested groups that serve no visual purpose. In Inkscape: Edit > XML editor, or use SVGO's collapseGroups plugin to flatten them automatically.
Simplified SVGs load faster in browsers, cut faster on Cricut and Silhouette machines, and are smaller when embedded in web pages or emails. Always simplify before production use.