Best of all is only one : WinHex!
WinHex is in its a universal hexadecimal editor, particularly helpful in the realm of computer forensics, data recovery, low-level data processing, and IT security. An advanced tool for everyday and emergency use:
- inspect and edit all kinds of files,

- recover deleted files
- recoverd lost data from hard drives
- inspect corrupt file systems
- recover files from digital camera cards.
- edit mbr
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Win Hex Future: [= Show =]
- Native support for FAT, NTFS, Ext2/3, ReiserFS, Reiser4, UFS, CDFS, UDF
- Disk editor for hard disks, fdd, CD-ROM & DVD, ZIP, Smart Media, Flash, …
- Various data recovery techniques
- Built-in interpretation of RAID systems and dynamic disks
- Data interpreter, knowing 20 data types
- RAM editor, providing access to physical RAM and other processes’ virtual memory
- Editing data structures using templates (e.g. to repair partition table/boot sector)
- Analyzing and comparing files
- Concatenating and splitting files, unifying and dividing odd and even bytes/words
- Particularly flexible search and replace functions
- Drive images & backups (optionally compressed or split into 650 MB archives)
- Disk cloning (under DOS with X-Ways Replica)
- Programming interface (API) and scripting
- 256-bit AES encryption, checksums, CRC32, hashes (MD5, SHA-1, …)
- Erase (wipe) confidential files securely, hard drive cleansing to protect your privacy
- Convert between binary, hex ASCII, Intel Hex, and Motorola S
- Import all clipboard formats, incl. ASCII hex values
- Character sets: ANSI ASCII, IBM ASCII, EBCDIC, (Unicode)
- Supports files >4 GB. Very fast. Easy to use. Extensive online help. (more)
- Instant window switching. Printing. Random-number generator.
more info: www.x-ways.net
i dont know
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