WinHex

WinHex is a hexadecimal editor for Windows 95/98/Me/NT/2000/XP with a lot of features:

* Disk editor (logical & physical, supports FAT16, FAT32, NTFS, and CDFS)

* RAM editor - a means to edit other processes' virtual memory

* Data Interpreter, knowing 19 data types

* Editing data structures using templates

* Concatenating, splitting, unifying, analyzing, and comparing files

* Particularly flexible search and replace functions

* Automation of file editing

* Sophisticated undo mechanism

* Drive imaging & drive cloning

* 128-bit encryption, MD5, 256-bit digests, CRC32, checksums

* Import of all clipboard formats

* Conversion formats: Binary, Hex ASCII, Intel-Hex, and Motorola-S

* Printing

* Deleting files irreversibly (e.g. such with confidential contents)

* Instant window switching

* Random-number generator

* Complete online help and much more

WinHex has minimal system requirements, operates very fast, needs little memory and is easy to use. An excellent computer forensics tool.