GeoJSON to Polyline Converter

Encode a GeoJSON LineString into a Google-style polyline string for maps and directions APIs.

Paste GeoJSON LineString

Drop a file here, or

Paste a LineString geometry or Feature.

Need the other direction? Polyline to GeoJSON

Encoded polyline

Understanding GeoJSON to Polyline

Geometry and attribute translation

Encode a GeoJSON LineString into a Google-style polyline string for maps and directions APIs.

GeoJSON to Polyline translates geojson into polyline. Geometry and common properties usually transfer, while styling, CRS metadata and format-specific extensions may not have direct equivalents.

What to check after conversion

Paste a LineString geometry or Feature.

After GeoJSON to Polyline, compare feature counts, geometry types, bounds and representative attributes with the source. Open the output independently before replacing or distributing the original file.