Febooti Hex Editor 3.7Free
It's a simple freeware utility that allows to modify file binary content in both hexadecimal and ASCII modes. It's fully integrated into Windows property pages, with full support for copy / paste, bookmarks, text search, shortcuts, and more.
Febooti Hex Editor allows to edit regions of file without affecting the layout of file or prevent "content shifting", thus giving a perfect control over data.
This hex editor allows to view and edit files, search for particular content or address in the file, to replace any data, copy in variety of data formats and more. It has intuitive user interface, and is suitable for all HEX and ASCII editing needs. Multiple editors can be used, by opening multiple file property windows.