- GeoDataViewer is a free online GIS viewer and format converter that processes data locally in the browser using WebAssembly, ensuring no data leaves your device.
- It supports over 20 geospatial formats, including Shapefile, KML, GeoJSON, GPX, DXF, DWG, GeoPackage, and more, with conversion between 19 format families.
- The tool offers professional features like viewing data on interactive maps, inspecting attribute tables, filtering data, styling maps, and exporting to formats like GeoJSON or FlatGeobuf.
- No installation, uploads, accounts, or server use is required; it works directly in any modern browser on Windows, Mac, or Linux.
- It is designed for quick data inspection, previewing, and conversion, complementing but not replacing full GIS software like QGIS or ArcGIS.