Spatialreference.org
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Browse and find coordinate reference systems (CRS) for mapping and GIS projects. Access codes, data, and tools for accurate spatial referencing.
Find coordinate systems for your mapping projects
Spatial Reference is your go-to resource for discovering and accessing coordinate reference systems used in mapping and GIS applications. Whether you need EPSG codes or details about different spatial reference formats, this site helps you quickly find the right CRS for your project.
You can browse a wide catalog of coordinate systems, view technical details, and get the data you need to ensure your maps are accurate and compatible. It's especially useful for GIS professionals, developers, and students working with spatial data.
With easy navigation and direct links to related tools like PROJ, Spatial Reference makes it simple to explore, compare, and implement coordinate systems in your work.
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