Hex Fiend

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Hex Fiend is ranked #2 of 31 in hex editors on Inferse. It runs on macOS. There is a free plan.

Compared on hex editors

Free plan: Yeshexfiend.com
Supported platforms: macoshexfiend.com
Binary comparison: Yeshexfiend.com
Binary templates: Yeshexfiend.com
Scripting support: Yeshexfiend.com
Disk editing: Yeshexfiend.com

Facts

Purpose: Hex Fiend is a fast, clever open-source hex editor for macOS.hexfiend.com · 1 Oct 2026
Editing: It supports inserting, deleting, rearranging, and overwriting binary data.github.com · 1 Oct 2026
Large files: Hex Fiend can handle files as large as the user can create, and has been tested on files up to 118 GB.github.com · 1 Oct 2026
Memory use: It does not keep files in memory and does not require the entire file to be loaded.hexfiend.github.io · 1 Oct 2026
Search: The editor provides fast searching through large files.hexfiend.com · 1 Oct 2026
Binary diff: It compares files while accounting for insertions and deletions.github.com · 1 Oct 2026
Saving: Smart saving avoids rewriting unchanged portions and does not require temporary disk space.hexfiend.github.io · 1 Oct 2026
Data inspector: The data inspector interprets values as signed or unsigned integers and floating-point numbers in big- or little-endian formats.hexfiend.com · 1 Oct 2026
Binary templates: Binary templates visualize file structure through scripting.github.com · 1 Oct 2026
Embeddable framework: Hex Fiend's framework lets applications embed hex and data views under a permissive BSD-style license.hexfiend.github.io · 1 Oct 2026
Current download: The official site lists Hex Fiend 2.18.1 and requires macOS 10.14.6 or later.hexfiend.com · 1 Oct 2026
Privacy: The Mac App Store distribution collects no data and performs no network requests.hexfiend.com · 1 Oct 2026
Update checks: The direct-download distribution uses Sparkle to check for new versions without collecting or storing user data.hexfiend.com · 1 Oct 2026
Security: Hex Fiend has been notarized for added security on macOS 10.14 and later.hexfiend.github.io · 1 Oct 2026
Origin: The maker's 2006 announcement describes Hex Fiend as free and developed as an experiment in handling huge files.ridiculousfish.com · 1 Oct 2026