

HXD Hex Editor, which meets all your requirements (including portability), except it does not have regex search (or I was unable to make it work!).Īlso, as you discovered, WinMerge does have excellent hex editing capabilities.It does have wildcard search, which has its pros and cons when compared to regex. Hex Editor XVI32, which meets all your requirements (including portability), except it does not have full regex searches.Īs such, this is still a workable solution, but I suggest looking at alternatives as well. Update (2021): Over the years, I have found quite a few bugs in both Notepad++ and its Hex Editor plugin.īecause of this, there are currently over 1000 unfixed bugs in those packages, and many will likely never get fixed. It is completely portable, free (gratis), open-source, and meets all your requirements. The license of this software is Free Trial Software, the price is $89.95, you can free download and get a free trial.I recommend Notepad++ with the Hex Editor plugin.

This allows for powerful bookmarks that are portable across like files. You can even use a simple macro language when defining bookmark addresses and lengths. When defining a bookmark, you can set the bookmark's data type and then edit the bookmark's data directly in the bookmark viewer.
