Developer's DescriptionBy LizardTechProcess MrSID Generation 4 files back to LAS or ASCII formats.MG4 Decode Utility is a graphical utility provides you with the ability to decode LiDAR files compressed to MrSID generation 4 (MG4) back to LAS or ASCII formats. MrSID file format provides tools for the rapid compression, viewing, and manipulation of geospatial raster and LiDAR data.