Support mapshaper

Mapshaper is free, open-source software for editing geographic data — used worldwide for everything from student projects to professional map work.

What your contribution supports

• Development time — bug fixes, new features, performance improvements
• Responding to user issues and requests

Recent work

• Contour lines and isobands
• Smooth command with detail filtering and corner preservation
• Buffer command — Geodesic and planar buffering for points, lines and polygons
• Raster importing — GeoTIFF + georeferenced JPEG and PNG
• Undo/redo in the browser — the most requested feature
• New vector formats — GeoParquet, GeoPackage and FlatGeobuf
• Learn more

— Matthew Bloch, maintainer