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Runs locally in your browser
GeoJSON Fixer
Normalize Features and close unclosed Polygon rings, then download repaired GeoJSON.
Input
Result
How it works
- Paste or choose GeoJSON.
- Review detected problems.
- Download the normalized, repaired FeatureCollection.
Current limitations
- The fixer closes polygon rings and normalizes the root.
- It does not guess missing coordinates or repair self-intersections.