How to Edit Firmware Through Hex. Editing a firmware file in a hexadecimal, or hex, editor can allow you to modify a device's behavior. For example, you can change the speed of manufacturing ...

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 ...