Binary package “hexedit” in ubuntu trusty

view and edit files in hexadecimal or in ASCII

 hexedit shows a file both in ASCII and in hexadecimal.
 The file can be a device as the file is not wholly read.
 You can modify the file and search through it.
 You have also copy&paste and save to file functions.
 Truncating or appending to the file is allowed.
 Modifications are shown in bold.