Free online KMZ to GPKG converter
Convert KMZ to GeoPackage with QGIS or GDAL for GIS editing and analysis.
Convert KMZ to GPKG online - free
Your file is processed instantly and never stored on our servers.
Import a file from a URL
Paste a direct link to the file. We download it to our server and it is converted exactly like an upload.
How it works
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Upload your .kmz file
Click to browse to select your file you want to convert or simply drag & drop your file into selected area.
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Perform .kmz to .gpkg conversion
After successful file upload, click to convert when you are ready.
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Download converted .gpkg file
Conversion result is ready to download.
How to convert kmz to gpkg file
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KMZ is a compressed KML file used to store geographic data such as placemarks, paths, polygons, and overlays, often for Google Earth and other mapping tools. GPKG is the GeoPackage format, an open, SQLite-based container for vector features, raster tiles, and related spatial data, widely used in GIS software.
Why convert kmz to gpkg
Converting KMZ to GPKG is useful when you need a more robust GIS format for editing, analysis, and sharing. GeoPackage supports better interoperability with professional GIS applications, stores data in a single file, and is well suited for large or multi-layer spatial datasets.
Best software for conversion
The best choice for this conversion is QGIS, because it is free, reliable, and supports both KMZ import and GPKG export. Another excellent option is GDAL/OGR, which is powerful for batch conversion and automation.
How to convert in qgis
- Open QGIS and load the KMZ file.
- If needed, extract or open the KML layer inside the KMZ archive.
- Right-click the layer and choose Export → Save Features As...
- Set the format to GeoPackage.
- Choose the output file name ending in .gpkg.
- Click OK to create the new file.
How to convert with gdal
For command-line conversion, use ogr2ogr from GDAL. A typical command is:
ogr2ogr -f GPKG output.gpkg input.kmz
This method is ideal for scripting, repeatable workflows, and large-scale GIS processing.
Things to check after conversion
- Geometry type: verify points, lines, and polygons imported correctly.
- Attributes: confirm field names and values were preserved.
- Coordinate reference system: ensure the spatial reference is correct.
- Multiple layers: check whether all layers from the KMZ were included.
Recommended workflow
For most users, QGIS is the easiest and safest option. For automation or batch jobs, GDAL is the best converter. Both preserve spatial data well when the source KMZ is properly structured.
Note: This kmz to gpkg conversion record is incomplete, must be verified, and may contain inaccuracies. Please vote below whether you found this information helpful or not.
KMZ vs GPKG: format comparison
How the KMZ and GPKG formats compare on the properties that matter most for this conversion.
| Property | .KMZ Keyhole Markup Zip | .GPKG GeoPackage |
|---|---|---|
| Data model | Vector | Both |
| Attribute table | Yes | Yes |
| Coordinate system | Embedded in the file | Embedded in the file |
| Plain-text readable | No | No |
| Operating system support | Wide | Wide |
| Typical file size | Small | Medium |
| Open standard | Partly open | Yes |
| Introduced | 2004 | 2014 |
| Developer | Keyhole, Inc. / Google | Open Geospatial Consortium (OGC) |
| MIME type | application/vnd.google-earth.kmz | application/geopackage+sqlite3 |
Frequently asked questions
Is the KMZ to GPKG converter free?
Yes, converting KMZ to GPKG on 101convert.com is completely free. No registration, email address or installation is required. If you need a higher file size limit or want to convert more files at once, see our plans.
How large can my KMZ file be?
You can upload KMZ files up to 250 MB and convert up to 50 files at once in a single batch.
What happens to my uploaded files?
Files are processed automatically and deleted from our servers within a few minutes after conversion. We never view or share your files.
Do I need to install any software to convert KMZ to GPKG?
No. The KMZ to GPKG conversion runs entirely online in your browser and works on Windows, Mac, Linux, Android and iPhone.
Did the conversion fail?
In most cases, the cause is an incorrect file format. Please upload a valid KMZ file for this KMZ to GPKG conversion. Occasionally, the issue may be on our side. We analyze recurring conversion failures and disable or fix the converter if we detect a defect.