Transform UTM, WGS84, EPSG Codes and More

CoordCap is a powerful iPhone app that transforms coordinates between geodetic and projected systems. Convert UTM to WGS84, search by EPSG codes, and work with national grid systems with ease.

Built on the Trusted PROJ Library

CoordCap uses PROJ, the same open-source geodetic engine trusted by GIS professionals and national mapping agencies worldwide. It ensures precise and professional-grade CRS transformations on your iPhone.

Full EPSG Support and Helmert Transformations

Access thousands of coordinate reference systems with full EPSG database support. CoordCap allows users to choose and apply Helmert transformation operations based on region or accuracy needs.

Offline Functionality for Field Use

CoordCap works entirely offline after installation, making it ideal for fieldwork and remote environments. No internet connection required for accurate transformations.

Capture, Transform, and Export

Capture coordinates using your iPhone camera, import from screenshots, and export the results as structured CSV files. CoordCap is designed for surveyors, GIS professionals, and engineers.

Download on the App Store

Download CoordCap on the App Store and carry the power of PROJ with you. This iPhone app makes coordinate transformation fast, accurate, and always available in your pocket.