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