A java hex editor. Standalone application (SWT widgets) and Eclipse plugin. Support for very large files. Hex, Ascii and Unicode find. Overwrite/insert modes. Binary and text cut/copy/paste. Undo/redo. Latest version available at: https://sourceforge.net/projects/javahexeditor
Update site: http://javahexeditor.sourceforge.net/update
Categories: Editor
Tags: hex editor, large files, binary, editor
Additional Details
Eclipse Versions: 2026-03 (4.39), 2025-12 (4.38), 2025-09 (4.37), 2025-06 (4.36), 2025-03 (4.35), 2024-12 (4.34), 2024-09 (4.33), 2024-06 (4.32), 2024-03 (4.31), 2023-12 (4.30), 2023-09 (4.29), 2023-06 (4.28), 2023-03 (4.27), 2022-12 (4.26), 2022-09 (4.25), 2022-06 (4.24), 2022-03 (4.23), 2021-12 (4.22), 2021-09 (4.21), 2021-06 (4.20), 2021-03 (4.19), 2020-12 (4.18), 2020-09 (4.17), 2020-06 (4.16), 2020-03 (4.15), 2019-12 (4.14), 2019-09 (4.13), 2019-06 (4.12), 2019-03 (4.11), 2018-12 (4.10), 2018-09 (4.9), Photon (4.8), Oxygen (4.7), Neon (4.6), Mars (4.5), Luna (4.4), Kepler (4.3), Juno (4.2, 3.8), Previous to Juno (<=4.1)
Platform Support: Windows, Mac, Linux/GTK
Organization Name: Jordi Bergenthal, Andre Bossert, Peter Dell, Andrey Loskutov
Development Status: Production/Stable
Date Created: Tuesday, December 1, 2009 - 15:24
License: GPL
Date Updated: Sunday, December 14, 2025 - 03:10
Submitted by: Andre Bossert
| Date | Ranking | Installs | Clickthroughs |
|---|---|---|---|
| January 2026 | 247/566 | 17 | 14 |
| December 2025 | 252/621 | 34 | 25 |
| November 2025 | 290/626 | 28 | 17 |
| October 2025 | 333/637 | 19 | 22 |
| September 2025 | 334/653 | 19 | 14 |
| August 2025 | 295/615 | 26 | 11 |
| July 2025 | 356/636 | 14 | 12 |
| June 2025 | 295/627 | 26 | 7 |
| May 2025 | 300/634 | 27 | 10 |
| April 2025 | 286/623 | 31 | 12 |
| March 2025 | 292/661 | 38 | 10 |
| February 2025 | 313/645 | 32 | 18 |

Reviews Add new review
Font issues
Submitted by Pierre-Yves Bi… on Wed, 04/01/2020 - 09:23
Works great, but I'm having some font sizing/scaling issues, as reported here: https://sourceforge.net/p/javahexeditor/bugs/14/
Thanks! :)
Snapshot which works with Eclipse 4.x
Submitted by Andrey Loskutov on Sun, 02/12/2017 - 15:27
Current version does not work on Eclipse 4.x.
So I've fixed sources, see the cloned repo: https://github.com/iloveeclipse/javahexeditor
Temporary update site:
https://raw.githubusercontent.com/iloveeclipse/javahexeditor/master/jav…
Re: Snapshot which works with Eclipse 4.x
Submitted by Andre Bossert on Mon, 02/13/2017 - 11:36
In reply to Snapshot which works with Eclipse 4.x by Andrey Loskutov
Thanks! I've updated the information. Please contact me if you want to change something by yourself or i should change...
Update site down
Submitted by Max Hohenegger on Thu, 09/29/2016 - 08:00
This is what I get from Eclipse: "No repository found at http://javahexeditor.sourceforge.net"
Update site
Submitted by Andre Bossert on Fri, 11/25/2016 - 05:14
In reply to Update site down by Max Hohenegger
http://javahexeditor.sourceforge.net/update
Java Hex Editor 0.4.1
Submitted by Ed Slas on Tue, 03/13/2012 - 13:24
This chokes on 'very large files' When I open a 16MB file, it takes 5 minutes to load, then about 30 seconds on each page up/down. I am running eclipse 3.6 on Linux. KHexEdit works much better, and has selection decoding.