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Hex Fiend vs 010 Editor: catalog facts
Hex Fiend	010 Editor
Free Free and open source under the two-clause BSD licence.	Paid Paid licence with a free trial and upgrade pricing for existing users.
macOS	macOS
Opens huge files without loading them into memory Insert and delete bytes, not just overwrite	Binary Templates decode over 300 file formats Handles files of 50 GB and more
macOS only Focused on editing rather than full reverse-engineering features	Paid software after the trial Proprietary and closed source
Downloadable app	Downloadable app
Open source	Closed source
License: BSD-2-Clause	License: Proprietary
No account needed	Not stated if an account is needed
Works offline	Works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

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