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Reverse Engineers' Hex Editor vs Free Hex Editor Neo: catalog facts
Reverse Engineers' Hex Editor	Free Hex Editor Neo
Free Free and open source under GPL-2.0.	Freemium Basic editing is free; advanced features require a paid edition.
Windows, macOS, Linux	Windows
Designed around reverse engineering work Extensible with Lua plugins	Handles very large files and disks Unlimited undo and redo with saved operation history
More than a casual user needs for simple byte edits	Windows only Advanced features are reserved for paid editions
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License: Freeware
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

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