Some time ago I was working on a migration of an application from the desktop to the web using uniGUI.
The application used a TRichEdit control and stored the information in a database. The new application, web-based, needed the documents in HTML and I started working on solutions.
I found a few tools which could convert RTF <=> HTML. Some of them are:
Subsytems – Expensive, but it does the job
unRTF – GNU
DocFrac - Sourceforge
Html2Rtf - DLL for both HTML -> RTF and