File Comment DrHex is a binary file editor for OS/2 Presentation Manager. The program allows you to edit any file of any length in either a HEX or an ASCII mode. This is a ShareWare product and as such it contains an unregistered annoyance screen and the built-in HEX calculator and a HEX/DECIMAL converter and Tab Markers are disabled. $25US. Last revision date in archive: 12-06-94.