Your powertool for making maps

Placemark is the one place to create, edit, and convert the data that powers maps, in real-time with your team.
Placemark screenshot

Superpowered attribute editing

Spatial is only part of geospatial data. Placemark handles the rest – attributes – with a particular pizazz. Table editing, editing JSON values, long text - we've got it.

👉 Read about Placemark's newly-improved property editing

Works with your data

Have a CSV file with coordinates? How about a GeoJSON file? Or some KML from Google Earth? Maybe you're drawing data from scratch. It'll all work great with Placemark.

GeoJSON
KML
CSV
WKT
Polyline
GTFS
GeoJSONL
GPX
TCX
TopoJSON
Shapefile
KMZ
Excel
FlatGeobuf
OSM
👉 Check out our new, free file converter!

Build maps together

Placemark is perfect for your classroom, newsroom, or situation room. It works if you and a friend have an idea to find all the best coffee joints, or share a new mountain biking trail you recorded with GPS. Collaborate in real-time.

Collaboration on maps with Placemark

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