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Coordinate Converter

Reproject coordinates between systems by EPSG code — WGS84 lat/long, UTM, Australian MGA (GDA94/GDA2020) and more. Convert one point or a whole CSV, locally.

Open the Coordinate Converter →

How it works

Pick the source and target coordinate systems.
Enter a point, or paste a CSV for bulk conversion.
Read or download the converted coordinates.

Why use the Coordinate Converter

EPSG-based reprojection
Lat/long, UTM, MGA, BNG, NZTM…
Single point or bulk CSV
Runs in your browser

Frequently asked questions

Which systems are supported?

WGS84, Web Mercator, all UTM zones, Australian GDA94/GDA2020 MGA, British National Grid, NZTM and more, plus custom EPSG lookups.

Can I convert a whole spreadsheet?

Yes — paste or upload a CSV for bulk conversion.

Is my data uploaded?

Conversion runs in your browser; custom EPSG definitions may be fetched from a public registry.

Related tools

Runs entirely in your browser — your files and text never leave your device. No upload, no sign-up.