Guides
Step-by-step help for turning XML files into clean spreadsheets — without losing data on the way. Every guide uses small real examples you can check by hand.
How to Convert a Shapefile to GeoJSON (and Why You'd Want To)
You have a Shapefile. Your web map wants GeoJSON. This is one of the most common jobs in map work, and it comes up each week in city offices, small firms,…
How to Convert GeoJSON to a Shapefile Without Losing Your Data
Your data lives in GeoJSON. The next tool — often ArcGIS, an old QGIS project, or a city system — asks for a Shapefile. The move sounds simple, but this…
How to Convert KML to GeoJSON for Web Maps
Someone sent you a KML file — most often drawn by hand in Google Earth. Now you need that same data on a web map, and web maps speak GeoJSON. The shapes…
How to Convert GeoJSON to KML for Google Earth
Your data is in GeoJSON, neat and web-ready. Now a partner, a client, or a field team wants to see it in Google Earth. Earth speaks KML. The good news:…
What Is a GeoPackage (GPKG) — and How to Convert To and From It
You keep hearing about GeoPackage files. A partner sends you a .gpkg. A download page lists it next to Shapefile and GeoJSON. It looks like one more…
How to Change a Shapefile's Coordinate System (Reprojection, Explained Simply)
Your Shapefile opens, but it sits in the wrong place. Or it sits in the right place in one program and the wrong place in the next. Or a partner asks for…
Shapefile Won't Open? The Missing .shx and .dbf Problem, Fixed
You double-click a Shapefile and nothing opens. Or it opens and the map is blank. Or a tool says the file is corrupt. Nine times out of ten, the file is…
How to Batch Convert Many GIS Files at Once
One file at a time is fine for one file. Then a project lands with 40 Shapefiles, a folder per county, or a partner who sends data each week. At that…
GeoJSON vs Shapefile: Which Format Should You Use?
Both formats hold the same kind of thing: shapes on a map, with facts about each shape. Both open in real tools. Yet they come from two different eras,…
How to Turn a CSV of Addresses' Coordinates into a Map File (CSV to GeoJSON)
Your data is in a spreadsheet: names down one column, addresses, and — the gold — two columns of numbers, longitude and latitude. It is not a map yet. But…