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Free converter

KMZ to KML Converter

Convert KMZ (.kmz) files to KML (.kml) right in your browser — free, instant and private. Drop a file below and download the result in seconds. Nothing is uploaded to a server, so your data never leaves your device.

KMZKML

Drag & drop your .kmz file

or click to browse

100% private — converted in your browser. Files are never uploaded.

How to convert KMZ to KML

  1. 1

    Add your KMZ file

    Drag and drop your .kmz file onto the box above, or click to browse.

  2. 2

    Convert in your browser

    GeoMaps reads the KMZ and rewrites it as KML locally, on your device. The conversion is instant and your file is never sent anywhere.

  3. 3

    Download your KML

    Click download to save the converted .kml file, or copy the output text. That's it — no account, no watermark, no limits.

KMZ is simply a KML file (plus any referenced icons or overlays) compressed into a single ZIP archive with a .kmz extension. It's the format Google Earth produces when you save a place, because bundling everything into one compact file makes maps easy to email and share. Under the hood it's still KML, so a KMZ converts cleanly to and from every other geographic format.

Need the other direction instead? KML is google Earth's XML format for placemarks and overlays. KML (Keyhole Markup Language) is an OGC standard XML format created for Google Earth and used widely across Google Maps, mobile mapping apps and GIS software. It stores placemarks, paths, polygons, styling and folder structure, which makes it ideal for sharing annotated maps with non-technical audiences. A KML file is plain text; when zipped with its assets it becomes a KMZ.

What is KMZ?

.kmz

KMZ is simply a KML file (plus any referenced icons or overlays) compressed into a single ZIP archive with a .kmz extension. It's the format Google Earth produces when you save a place, because bundling everything into one compact file makes maps easy to email and share. Under the hood it's still KML, so a KMZ converts cleanly to and from every other geographic format.

What is KML?

.kml

KML (Keyhole Markup Language) is an OGC standard XML format created for Google Earth and used widely across Google Maps, mobile mapping apps and GIS software. It stores placemarks, paths, polygons, styling and folder structure, which makes it ideal for sharing annotated maps with non-technical audiences. A KML file is plain text; when zipped with its assets it becomes a KMZ.

KMZ to KML — FAQ

How do I convert KMZ to KML?
Upload your .kmz file using the converter above (drag & drop or click to browse). GeoMaps converts it to KML instantly in your browser and gives you a .kml file to download. No software to install and no signup required.
Is the KMZ to KML converter free?
Yes — it's completely free with no usage limits, watermarks or account needed. We offer it as a free tool from GeoMaps, the platform for turning your data into interactive maps.
Is my data private? Are my files uploaded to a server?
No. The conversion runs entirely in your web browser using JavaScript — your file is never uploaded to any server. Because nothing leaves your device, it's safe for sensitive or confidential data and works even offline once the page has loaded.
Can I convert KML back to KMZ?
Yes. Use our KML to KMZ converter for the reverse conversion — every format on GeoMaps converts both ways.
How large a file can I convert?
Because conversion happens in your browser, the limit is your device's memory rather than a server quota — files up to tens of megabytes convert comfortably on a typical laptop. Very large datasets may be slower depending on your machine.

Need to map, not just convert?

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