Explore All Tools
MapKmlTools is a full-featured online GIS toolbox for KML, KMZ, GeoJSON, CSV, spatial analysis, elevation, drone planning, and mapping.
File Conversion & Processing Tools
KML ↔ KMZ Converter
Compress KML into KMZ or extract KMZ instantly with built-in ZIP handling.
KML ↔ GeoJSON Converter
Convert KML to GeoJSON and back using Mapbox-based parsers for accuracy.
Layer Splitter
Separate layers by folder, geometry type, or style into individual files.
Style Remover
Quickly remove colors, icons, and style definitions from messy KML files.
Geometry & Spatial Analysis Tools
KML Merger
Combine multiple KML files into one organized, clean structure.
Simplifier
Reduce KML file size by simplifying shapes while keeping accuracy.
Area & Perimeter Calculator
Calculate polygon area, perimeter, and line lengths in various units.
Buffer Creator
Generate buffer zones around points, lines, or polygons for impact analysis.
Overlap Checker
Find intersecting or overlapping regions between two KML datasets.
Geometry Fixer
Automatically fix invalid polygons, self-intersections, and geometry errors.
Coordinate, Attribute & Data Tools
Coordinate Converter
Convert coordinates between different formats (Lat/Lon, UTM, MGRS).
CSV Extractor
Extract point names, coordinates, and metadata from KML into CSV format.
Attribute Cleaner / Adder
Edit, remove, or add ExtendedData attributes to KML placemarks.
Duplicate Placemark Finder
Detect duplicate points and overlapping features inside KML files.