Repair Shapefile Geometry Errors
Fix invalid geometries in Shapefiles. Repairs self-intersections, ring ordering, and topology errors.
All processing happens locally in your browser. Your files never leave your device.
Shapefile geometry errors are common because the format does not enforce topology constraints during export. This tool applies the GEOS MakeValid algorithm to the Shapefile's .shp component and returns a repaired ZIP archive ready for use in any GIS software.