Spatialdom Tools
Free geospatial tools
Small, practical utilities for coordinates and map data. Choose a task and start in your browser; no account is required.
Choose a task
Coordinate Converter
Convert Luzon 1911 longitude and latitude to PTM grid coordinates, or back again.
Open Coordinate ConverterGeoJSON Viewer
Open a GeoJSON file, check its features, and inspect the data on a map.
Open GeoJSON Viewer
More practical tasks
Area & Distance Calculator, Shapefile to GeoJSON Converter, and Parcel Sketch Generator are in development.