Separator is an advanced "hex viewer" for MacOS-X platform. It is written in Cocoa, which lets it integrate nicely with rest of the system. It's features include: Full support for HFS+ forks, data can be interpreted as 8-bit, 16-bit, 32-bit or 64-bit integers, data can be shown in the native for PPC big endian or native for x86 little endian mode, data can be represented in octal, decimal or hexadecimal form.