SVG Coordinate Mapper

Map SVG pixel coordinates to real-world geographic coordinates. Define control points to georeference an SVG map for GIS use.

Drop SVG, KML or GeoJSON maps here or click to browse

Local processing · Fast georeferencing & simplification

How to Use

Upload SVG map

Upload the SVG map to georeference.

Set control points

Click known locations on the SVG and enter their real-world lat/lon coordinates.

Get coordinate mapping

Download a georeferenced file or use the coordinate transform function.

Georeferencing SVG Maps

Georeferencing is the process of associating an SVG map's pixel coordinate space with real-world geographic coordinates. This tool uses control points (pairs of SVG pixel coordinates and real-world lat/lon) to calculate the transformation that converts between the two coordinate systems.

Real-World Examples & Use Cases

Historical Map Digitising

Georeference a scanned historical map SVG using known landmark coordinates.

Frequently Asked Questions

How many control points do I need?▼

A minimum of 3 control points is needed for accurate georeferencing. More points improve accuracy for non-linear distortions.

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