Convex Hull KML Online

Wrap all KML placemarks and features in the smallest enclosing convex polygon. Free browser tool.

Powered by GDAL WebAssembly and Turf.js for accurate convex hull calculation.

KML is best when you want to view the convex hull in Google Earth or share it with Google Maps — the output renders as a polygon overlay.

→ Full guide: Convex Hull Tools

Convert KML

Visualization Tools

Grid Tools

Bounding Box Tools

Measurement Tools

Buffer Tools

Dissolve Tools

Centroid Tools

Simplification Tools

Data Inspection

Feature Selection Tools

Filter by Attribute Tools

More Convex Hull Tools

Polygon to Line Tools

Line to Polygon Tools

Explode to Points Tools

Flatten Multi-Geometry Tools

Combine Features Tools

Spatial Operations

Raster Operations

Rasterization Tools

Reprojection Tools

Coordinate Conversion Tools