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HxD freeware Hex Editor and Disk Editor, portable

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HxD freeware Hex Editor and Disk Editor, portable

Available in setup and portable editions
Current version: (July 6, 2019)
There is also an older portable version ( that supports Win 9x, but does PortableApps even support 9x?


* Available as a portable and installable edition
* RAM-Editor
- To edit the main memory
- Memory sections are tagged with data-folds

* Disk-Editor (Hard disks, floppy disks, ZIP-disks, USB flash drives, CDs, ...)
- RAW reading and writing of disks and drives
- for Win9x, WinNT and higher

* Instant opening regardless of file-size
- Up to 8EB; opening and editing is very fast

* Liberal but safe file sharing with other programs
* Flexible and fast searching/replacing for several data types
- Data types: text (including Unicode), hex-values, integers and floats
- Search direction: Forward, Backwards, All (starting from the beginning)

* File compare (simple)
* View data in Ansi, DOS, EBCDIC and Macintosh character sets
* Checksum-Generator: Checksum, CRCs, Custom CRC, SHA-1, SHA-512, MD5, ...
* Exporting of data to several formats
- Source code (Pascal, C, Java, C#, VB.NET)
- Formatted output (plain text, HTML, Richtext, TeX)
- Hex files (Intel HEX, Motorola S-record)

* Insertion of byte patterns
* File tools
- File shredder for safe file deletion
- Splitting or concatenating of files

* Basic data analysis (statistics)
- Graphical representation of the byte/character distribution
- Helps to identify the data type of a selection

* Byte grouping
- 1, 2, 4, 8 or 16 bytes packed together into one column

* "Hex only" or "text only"-modes
* Progress-window for lengthy operations
- Shows the remaining time
- Button to cancel

* Modified data is highlighted
* Unlimited undo
* "Find updates..."-function
* Easy to use and modern interface
* Goto address
* Printing
* Overwrite or insert mode
* Cut, copy, paste insert, paste write
* Clipboard support for other hex editors
- Visual Studio/Visual C++, WinHex, HexWorkshop, ...

* Bookmarks
- Ctrl+Shift+Number (0-9) sets a bookmark
- Ctrl+Number (0-9) goes to a bookmark

* Navigating to nibbles with Ctrl+Left or Ctrl+Right
* Flicker free display and fast drawing

HxD is free of charge for private and commercial use. Selling HxD is not allowed. Distributing it as part of magazine addon CDs / DVDs / other media or putting it on download portals or private websites is allowed and welcome. For details, please see the HxD License.