KML to KMZ Converter
Package a valid KML document into a Google Earth KMZ ZIP archive locally without uploading your map file.
The KML to KMZ Converter packages a valid KML document as a local KMZ ZIP archive with doc.kml inside. It runs in your browser and does not upload files or fetch remote assets.
Processed in browser memory; nothing is uploaded.
Paste or upload KML, then create a local KMZ archive.
KML to KMZ Technical Specifications & Standards
KML coordinates remain WGS 84 (EPSG:4326)
Standard global ellipsoidal coordinate reference system
KMZ Geodesics
KML bytes are preserved; no coordinate transformation.
GeoJSON · KML · CSV · SVG
Compatible with QGIS, ArcGIS, Google Earth & CAD
100% Client-Side
Calculations run in-browser. Zero coordinate logging.
How to Use the KML to KMZ Converter
Follow this step-by-step procedure to execute precise spatial measurements and export results.
- 1Choose KML: Upload a KML file or paste XML.
- 2Check the document: The tool verifies that the source is well-formed KML XML.
- 3Download KMZ: Save a standards-compatible archive containing doc.kml.
Geodesic Precision vs. Competitor Mapping Approaches
Most legacy mapping utilities (such as CalcMaps and FreeMapTools) rely on planar Web Mercator projections or spherical approximations, causing significant mathematical distortion at higher latitudes. GeoMap Suite computes exact ellipsoidal geodesics on the WGS84 reference ellipsoid.
| Calculation Model | Mathematical Basis | Distortion on WGS84 | Standard Tools | Practical Application |
|---|---|---|---|---|
| Planar (Web Mercator) | Cartesian dx² + dy² | 10% to 200%+ error | CalcMaps / Simple map tools | Distorts drastically away from equator. Inaccurate for true distance. |
| Spherical Great-Circle | Haversine (R = 6,371 km) | Up to 0.5% (~5 km/1,000 km) | Basic Google Maps wrappers | Ignores Earth's polar flattening. Reasonable for rough estimates. |
| GeoMap Suite Ellipsoidal | Karney Direct/Inverse WGS84 | < 15 nanometers (<0.0001%) | GeoMap Suite | Geodetic surveying, maritime, flight paths & legal boundary analysis. |
Package a Google Earth layer
A researcher wants one compact file to share a KML layer.
Input Parameters
- Input
- research-sites.kml
Computed Outputs
- Archive
- KMZ containing doc.kml
Step-by-Step Mathematical Process
- Load local KML.
- Validate the root document.
- Create a ZIP archive with doc.kml.
- Download map.kmz.
Understanding Your Results & Practical Interpretation
What is inside a KMZ?
A KMZ is a ZIP archive. This tool writes your main document as doc.kml; remote assets remain external and are not silently copied.
Practical Applications & Real-World Use Cases
Share one Google Earth file
Package a valid KML into a familiar .kmz download.
Mathematical Methodology & Geodetic Accuracy
KMZ ZIP packaging
The valid KML text is written as doc.kml inside a ZIP archive using browser byte APIs.
Valid KML → ZIP(doc.kml) → KMZLimitations & Boundary Conditions
- •Remote NetworkLinks and referenced images/models are not downloaded into the archive.
- •This exporter packages the main document without advanced compression.
Authoritative Reference Standards
Troubleshooting & Geographic Edge Cases
Why are images not bundled?
Only the local KML document is available to this browser-only tool. Download and package assets separately in desktop GIS when required.
Frequently Asked Questions
KML is an XML document; KMZ is a ZIP archive that contains a KML document and may contain related assets.