The only html to wss conversion we know of, would be import of .html file to Web Page Maker program and saving it as the default .wss project file. If you are looking for something else, please let us know in the discussion below.
Convert HyperText Markup Language web page to Web Page Maker project file.
We found one software available in the database for this conversion.
Microsoft Windows software - convert html to wss on Windows
A simple web page editor
Convert from html file format
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.