b2hedit.exe is a Hex editor that will open a binary file as ascii HEX,
edited and save it as an ascii file. It can be reloaded, edited and saved
back as a binary file.
This is a miniature hex editor with a difference, it has both ascii and binary file open and save. It opens a binary file as a HEX dump which can be edited and commented, saved as an ascii file or rewritten as a binary file. Ideal for editing file headers. This one comes in at just under