Get a hex editor that allows you to view a file in binary? That would be the most obvious solution. There are scores of freeware and shareware hex editors out there.

Usually, there are dedicated applications to view different types of files. However, if you are looking for a viewer that lets you view files of multiple types, you have landed on the correct article.

As a file editor, Disk Probe lets you make changes to binary files in much the same way you use a text editor to make a change to a text file. By paging through a file, you can find readable text, ...