This program is a graphical interface for Windows® of the SUNT program, the 32 bits Windows® version of the SU (Seismic UNIX) freeware, the software for the data processing of “Centre of Wave Phenomena”. VisualSUNT is linked to more than 100 SUNT (Seismic Unix) modules, enabling all reflectiom seismic processing steps. It contains also specific conversion modules. The built-in batch editor can greatly improve the speed of your processing flow. The Pro version comes with additionnal modules crooked lines, SPS input and a new migration module. VisualSUNT has been successfully tested and runs under every Microsoft Windows© version from 95 to Seven.