GeoJSON Dissolve
LocalDissolve adjacent/overlapping GeoJSON polygons into one, removing internal boundaries, locally in your browser.
What is it? GeoJSON Dissolve merges adjacent or overlapping polygons into one, removing internal boundaries — useful for administrative roll-ups.
TL;DR: Merge polygons and remove internal borders.
How to use
- Open a polygon layer.
- Optionally choose a grouping field.
- Download the dissolved GeoJSON.
FAQ
Does it keep attributes?
Attributes of merged features are combined/dropped depending on the grouping; check the output.
Is it local?
Yes.
Limitations
- Topology errors in the input can affect the result.
- Large layers may be slow in the browser.
Privacy
Privacy first: this tool runs entirely in your browser. Your input and files never leave your device.