Simplify GeoJSON

Reduce file size and complexity using the Douglas-Peucker algorithm

Powered by GDAL WebAssembly for accurate geometry simplification.

GeoJSON is the most common format for web map simplification — reducing vertex counts directly in the browser produces a smaller file that loads faster in Mapbox, Leaflet, or any tile service without a server-side processing step.

→ Full guide: Simplify Tools