TMConverter is a free Android application developed by Mat1ss, categorized under Utilities & Tools. Its main function is to convert coordinates between Geodetic system(latitude & longitude), Universal Transverse Mercator(UTM), Transverse Mercator(TM), and Lambert conformal conic projection(LCC). The program also offers 23 reference ellipsoid datums, including the widely used WGS84.

The app supports three different lat/lon input formats, including decimal degree (default input), degrees/decimal minutes, and degrees/minutes and decimal seconds. Users can switch between these input formats by tapping on the target section label. Additionally, TMConverter provides the ability to store points in a local database and organize them into groups. Points can be visualized on a map, making it convenient to track and manage multiple coordinates. Overall, TMConverter is a useful tool for anyone who needs to convert coordinates for various purposes.