Convert GPX to KMZ

Turn GPS Exchange Format data into KMZ (zipped KML) — free, instant, and entirely in your browser, with optional reprojection to any of 200+ coordinate systems.

No upload. No account. Your data stays on your machine.

Drop your files here or click to browse.

Shapefile (all parts or .zip), GeoJSON, KML/KMZ, GPKG, GPX, DXF, CSV, TAB and more — files never leave your browser.

Output format

Output coordinate system

EPSG:4326 — KMZ is always WGS 84

Source CRS override (for CAD/CSV without one)

About GPS Exchange Format (GPX)

The universal GPS format for waypoints, tracks and routes. Always WGS84.

Worth knowing: Only points and lines (no polygons); fixed schema — arbitrary attributes go to extensions.

About KMZ (zipped KML) (KMZ)

KML in a zip container — the compact form Google Earth saves and shares. Identical content to KML, a fraction of the size.

Worth knowing: Same constraints as KML; embedded images/models inside the archive are passed through, not converted.

How the conversion works

Drop your GPX file above.
We read it locally with GDAL compiled to WebAssembly — nothing is uploaded.
Optionally pick an output coordinate system; official datum grids are applied automatically.
Download your KMZ result, with a transformation report showing exactly what was done.