🔒 Your file is processed entirely in your browser — it never leaves your device.
Reads Shapefile, KML/KMZ, GPX, GeoJSON, TopoJSON, GML, DXF, MapInfo TAB, GeoPackage, WKT and CSV — powered by GDAL compiled to WebAssembly, 100% in your browser.
Convert anything to GeoJSON — free and private
Drop a Shapefile, KML, GPX, TopoJSON, WKT or CSV file, reproject if you need to, and download clean GeoJSON for Leaflet, Mapbox or QGIS. No upload, no GDAL — the conversion runs entirely in your browser.
Why convert to GeoJSON here
A private, no-install GIS converter that runs entirely in your browser.
No upload, fully private
Your file is parsed inside your browser and never touches a server — safe for confidential, internal or unpublished data.
GDAL in WebAssembly
The same ogr2ogr engine the pros use, compiled to WebAssembly and running in your browser — no install, no QGIS, no command line.
Reproject the coordinate system
Switch between WGS84, Web Mercator, national grids and more with a single dropdown — powered by proj4 in the browser.
Map preview + attribute table
See the geometry on a lightweight map and browse the attribute table before you convert.
Frequently asked questions
Related tools & guides
Need a different format?