CRS Finder

Search EPSG codes by name/area and preview reprojection using PROJ.4 on a live map. No data leaves your browser.

No upload EPSG lookup Proj4Leaflet preview

Tip: Try typing South Africa Transverse Mercator, WGS 84 / UTM 35S or an EPSG:4326 code. Paste a proj4 string if you already have one.

Search (code, name, area)

Type

Results

Powered by EPSG.io (with offline fallbacks)

Or paste a PROJ.4 / WKT definition

If valid, you'll be able to preview it on the map.

Code	Name	Type	Area of Use

Enter a query to begin.

CRS Details & Preview

Code

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Name

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Type

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Area of Use

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Units

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PROJ.4

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Show WKT

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Transform sample

WGS84 → CRS CRS → WGS84

Lon / X

Lat / Y

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Sample GeoJSON (Point/Line/Polygon)

Map Preview

Notes:

Leaflet preview uses Proj4Leaflet for custom CRS. Some local grid systems may require axis swaps or custom bounds.
If EPSG lookups are blocked, paste a proj4 string and preview offline.