The Distillery
Upload GeoJSON files

Simplify Geometry

100 of points retained / 0KB
Download TopoJSON
Drag GeoJSON files here, use the uploader above,
or, if you’re feeling lazy, use a sample file

This is a simple GUI for TopoJSON.
Fork on Github.
See also: D3, Data-Driven Documents by Mike Bostock
(c) 2013 by Mike Bostock