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Editors' Review

HxD is a freeware hex editor, a tool that can open and edit computer code. In the right hands, it's a powerful utility that can inspect, compare, and verify files, disks, disk images, memory, and log files; patch errors, and repair disk structures.


Really big data: HxD's current version handles large data sets. If it fits on a disk, HxD can open it -- fast search and replace functions, too.

Standard options: HxD packs lots of useful extras, like a checksum generator, multiple charset support, RAM editor, ghost caret, file shredder, splitting and joining, unlimited undo, and a portable version.

Export data: HxD exports data to source code (C, C#, Java, Pascal, and VB.NET) or to hex formats.


Not for the inexperienced user: This isn't a flaw in the tool; it's just worth noting that this is geared toward advanced users.

Bottom Line

With an attractive, efficient interface and an extensive menu of powerful tools and extras, HxD delivers the goods. And if you need a feature that HxD doesn't have, the developer wants to know about it. Coders, system administrators, and advanced users will want HxD in their toolkits.

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Full Specifications

What's new in version 2.1

  • New: UTF-8 Codepoint in datainspector gives much more detailed feedback when a code point is invalid
  • New: bytes-per-line option for Intel Hex / Motorola S-Record export
  • New: option to lock toolbars in place
  • Enhancement: ask to close files opened in HxD before securely deleting them
  • Enhancement: RTF exporter uses always UTF-8, even for Latin1, which improves compatibility
  • Enhancement: displayed and inspectable volume size is not limited anymore to just the file system area, but covers the entire volume extent
  • Enhancement: compare feature: set caret and scroll position to last compared bytes, even when no difference was found
  • Enhancement: HxD's internal clipboard is not limited to 4GiB anymore
  • Change: Enforce HxD 2.0 to run on WinXP+ only
  • Fix: after starting HxD, it would be in minimized state if it was last closed in a minimized state
  • Fix: HTML exporter - encoding rules and comments now follow W3C's recommendations
  • Fix: properly display volume size (instead of the hosting physical disk(s) size)
  • Fix: assertion and encoding errors in source code exporters
  • Fix: canceling a compare would give the wrong message, that files are identical, but the file sizes differ
  • Fix: trying to delete a selection or a single byte using the del key (while not having write rights) would not properly abort the operation: temporarily an unintended selection would be created or the caret would remain hidden
  • Fix: data inspector sees only a selection of one byte after deleting a byte with del key
  • Fix: error in computing SHA512 in debug builds
  • Updated translations
  • Various minor UI fixes


Publisher Mael Horz
Publisher web site
Release Date September 27, 2018
Date Added October 02, 2018
Version 2.1


Category Developer Tools
Subcategory Coding Utilities

Operating Systems

Operating Systems Windows 98/Me/NT/2000/XP/2003/Vista/Server 2008/7
Additional Requirements None

Download Information

File Size 2.88MB
File Name


Total Downloads 4,108,062
Downloads Last Week 3,989


License Model Free
Limitations Not available
Price Free
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