100% in-browser · no upload, no signup

A pocket GIS studio for everyday geospatial work.

View, convert, transform and analyze GeoJSON, KML, WKT and Shapefiles. Fifteen focused tools that work entirely in your browser — your data never leaves your machine.

Client-side by design

Every file is parsed in your browser. No servers, no analytics on your geometry.

Zero setup

Open a tool, paste or drop a file, get a map. No accounts, no CLIs, no plugins.

All the formats

GeoJSON, KML, WKT, zipped Shapefiles, plus UTM ↔ WGS84 coordinate transforms.

Every tool, one click away

Fifteen focused utilities for viewing, converting and analyzing geographic data.

GeoJSON Viewer
KML Viewer
WKT Viewer
Shapefile Viewer
GeoJSON ↔ KML
GeoJSON ↔ WKT
Coordinate Converter
Lat/Long → UTM
UTM → Lat/Long
Distance Calculator
Area Calculator
Buffer Generator
Polygon Simplifier
Merge / Split GeoJSON
PDF Map Report