BinEd

Editor for binary data (hex viewer/editor) written in Java.

Features

Visualize data as numerical (hexadecimal) codes and text representation

Codes can be also binary, octal or decimal

Support for Unicode, UTF-8 and other charsets

Insert and overwrite edit modes

Searching for text / hexadecimal code with matches highlighting

Support for undo/redo

Support for files with size up to exabytes (in partial file mode)