Compare software

Free Hex Editor Neo vs Hex Fiend: catalog facts
Free Hex Editor Neo	Hex Fiend
Freemium Basic editing is free; advanced features require a paid edition.	Free Free and open source under the two-clause BSD licence.
Windows	macOS
Handles very large files and disks Unlimited undo and redo with saved operation history	Opens huge files without loading them into memory Insert and delete bytes, not just overwrite
Windows only Advanced features are reserved for paid editions	macOS only Focused on editing rather than full reverse-engineering features
Downloadable app	Downloadable app
Closed source	Open source
License: Freeware	License: BSD-2-Clause
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 1, 2026

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