Hexeditr ((link)) -

Now open a binary file and explore – you can’t break anything if you have a backup. Happy hex editing!

A (often searched or abbreviated as hexeditr ) is a fundamental utility application used by programmers, reverse engineers, digital forensics experts, and cybersecurity professionals to view and manipulate the "raw" binary data of any computer file . Unlike text editors that interpret bytes as readable characters, a hex editor displays data in its truest form: as a sequence of bytes represented in hexadecimal (base-16) notation. The Anatomy of a Hex Editor Interface hexeditr

Use -r (read-only) to prevent accidental changes: Now open a binary file and explore –