A program that displays every character in a file in hexadecimal notation. Also called a "binary editor," hex editors are used extensively in program development to view the actual content of a file, ...

HxD is a freeware editor supporting disk, memory, and file hex editing, as well as a secure file deletion tool (called a “file shredder” by HxD). HxD’s webpage states the app works on every Windows OS ...

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 come to the right article.