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HxD vs Reverse Engineers' Hex Editor: catalog facts
HxD	Reverse Engineers' Hex Editor
Free Freeware at no cost.	Free Free and open source under GPL-2.0.
Windows	Windows, macOS, Linux
Edits raw disks and RAM as well as files No limit on file size	Designed around reverse engineering work Extensible with Lua plugins
Windows only Closed source	More than a casual user needs for simple byte edits
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: GPL-2.0
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 2, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.