How to open a .KMZ file online
From file to map in seconds.
Open your .KMZ file
Drag it onto the box or click to choose it from your device. It opens on your computer.
See it on the map
Points, lines and areas from your .KMZ file appear on an interactive map. Click any feature to read its details.
Read the stats
Check distance, elevation gain and loss, the bounding box and a height profile linked to the map.
What is a .KMZ file?
The common language of GPS devices.
A KMZ file is a ZIP-compressed Google Earth map. It holds placemarks, routes, polygons, image overlays and sometimes 3D models in one portable package. Open it with the free Google Earth desktop app (File > Open) or at earth.google.com with no install. Because it is a ZIP, you can rename it to .zip and unzip it to get the doc.kml and images inside.
Programs that open .KMZ files
| Full name | Keyhole Markup Language Zipped (Google Earth) |
|---|---|
| Developer | Keyhole, Inc. (acquired by Google 2004); KML standard now maintained by the Open Geospatial Consortium (OGC) |
| First released | 2004 (Google Earth); KML 2.2 adopted as an OGC standard in 2008 |
| Category | Maps & GIS |
| MIME type | application/vnd.google-earth.kmz |
| Signature | 50 4B 03 04 ("PK" - standard ZIP local file header) |
Related viewers
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Is my .KMZ file uploaded anywhere?
No. Your .KMZ file is read by your browser and never sent to us. Only the background map tiles are loaded from OpenStreetMap, which sees which map area you're looking at, not your data.
How is the elevation gain calculated?
We add up every climb between track points, ignoring tiny wiggles of less than 3 metres that come from GPS noise. That's close to what Strava and Garmin report; barometric devices may differ slightly.
How do I open a Shapefile?
A Shapefile is several files. Drop the whole .zip, or select the .shp, .dbf and .prj files together. With only the .shp you'll see the shapes but no attributes.
Can I convert GPX to KML or GeoJSON?
Use Export GeoJSON to save everything you see. GPX ↔ KML conversion is part of our upcoming converter.
My CSV has coordinates. Will it work?
Yes, if it has columns named like lat/latitude/y and lon/lng/longitude/x. Every row becomes a point with the other columns as properties.
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