Adjustable data format binary editor. Data formats are ASCII, unsigned and signed integers, float, bit-flags, bit-fields, labels, ebcdic and time_t. Different sizes and byte orderings are possible. Data types can be used in structures. Other data formats, filters and procedures can be defined in plugins. Contains copy, past, undo, redo, search, replace, marks, record/play and context sensitive help. Raw edit of hard drives. Under Linux and FreeBSD even usable without X window.