Fix Invalid Geometries

Repair self-intersections, ring ordering errors, and other geometry issues using the GEOS MakeValid algorithm. Upload any vector format.

All processing happens locally in your browser. Your files never leave your device.

Visualization Tools

Visualize Any Format
GeoJSON Viewer
Shapefile Viewer
KML Viewer
CSV Viewer
GPX Viewer

Simplification Tools

Simplify GeoJSON
Simplify Shapefile
Simplify KML
Simplify GPX
Simplify GeoPackage

Data Inspection

Geospatial File Inspector
GeoJSON Inspector
Shapefile Inspector
GeoTIFF Inspector

More Spatial Operations

Clip GeoJSON
Clip Shapefile
Clip Vector Data
Filter GeoJSON
Filter Shapefile
SQL Query

Raster Operations

Crop GeoTIFF
Crop Raster
Resize GeoTIFF
Resample Raster
Extract Band
Reproject GeoTIFF

Rasterization Tools

Rasterize GeoJSON
Rasterize Shapefile
Rasterize KML
Rasterize GPX
Rasterize GeoPackage
Rasterize GML

Reprojection Tools

Reproject GeoTIFF
Reproject Shapefile
Reproject Vector
Assign CRS

Coordinate Conversion Tools

Lat/Long to DMS

Decimal to degrees/minutes/seconds

DMS to Lat/Long

Degrees/minutes/seconds to decimal

Lat/Long to UTM

Geographic to UTM coordinates

UTM to Lat/Long

UTM to geographic coordinates