There are geeks, and then there are GEEKS. Being knowledgeable about the software and hardware you use every day buys you some street cred in the geek world, but if you really want to let your Geek Flag fly, you're going to need to do more than that. We used to know a guy who balanced his checkbook in hexadecimal. Now that's hard core!
HexEdit is a tool that lets you get in and get intimate with your files. Not just some text editor, this tool lets you get in and look at the individual bytes in your files. You may find some interesting stuff in there, or if you decide to make an edit or two while you're in the neighborhood, you may totally trash the file. This brings up two important rules for using hex editors: (1) always work with a copy, not the original file, and (2) have a clue about what you're doing. When you're working with files on this level, there are no safeguards to keep you from breaking those files and more. Be safe.
HexEdit is a free download. It's a Windows application. Thick glasses and propeller beanie not included.
Download HexEdit
