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Imhex: A hex editor for reverse engineers

Screenshot of github.com captured 2026-07-20
Page preview · captured 2026-07-20

Resurfaced independently across 3 calendar years, with breakout response in 3 of them.

submissions
6
submitters
6
observed span
2020–2024
peak thread · 133 comments
634 pts
latest 20+ return · 2024-06-29
634 pts

Submission timeline

2007–2026

One slot for every year since HN launched. Height is that year's peak points; orange marks a 100+ point or 50+ comment breakout. Select a bar to open its strongest thread.

First comments on top threads

HN comment order

ImHex has so far been the best hex editor I’ve used for a few reasons. Some of these exist in other editors but rarely all together. 1. File templates mean that it auto highlights sections of known file types. 2. It shows how selected bytes may be interpreted as pretty much every common data type that I would want and does so simultaneously. 3. It’s significantly faster than other editors for me when I use large files On the downside…

dagmx·634-point thread·

Hex editors are a seriously undervalued learning tool. As a kid, I loved opening up the game files of stuff I was playing and see what I could tweak. I’m not sure this particular editor could replace HxD for me - I’m not seeing process memory editing in its list of features. I’m glad to see the space is still getting love though.

harles·467-point thread·

ImHex uses capstone to map hex values to opcodes, depending on which ISA (Instruction Set Architecture) you have choosen. That makes it a nifty little tool for reverse engineering. http://www.capstone-engine.org/ Under the hood, Capstone use LLVM's TableGen as a source for descriptions of registers and opcodes. http://llvm.org/docs/TableGen/index.html I've given ImHex a test run on an Amiga binary and it kind of works. However, the Amiga Hunk format (equivalent of ELF) is not recognized, and is interpreted as…

The first top-level comment from each of the four biggest threads, in HN’s own order. Excerpts are shortened; open a comment for full context.

Breakout years
3

100+ points or 50+ comments

Total points
1427

reference only — not used in Hall rules or ranking

Total comments
280

reference only — not used in Hall rules or ranking

Every submission

DateTitle as submittedByPointsComments
2020-12-04ImHex: A Hex Editor for Reverse Engineers, Programmersmariuz60
2020-12-05ImHex: A Hex Editor for Reverse Engineers, Programmers and people that VA (cont)whack40
2020-12-07A hex editor for reverse engineers, programmers, and people that value their eyefeross20
2020-12-09ImHex – A Hex EditorFirst breakoutawb31478
2022-07-30ImHex – A Hex Editorliberia46769
2024-06-29Imhex: A hex editor for reverse engineersHall induction · Best thread · Latest 20+ point returnwsc981634133