SteemPort is currently capable of basic HTML export of up to 100 blog posts. Work is currently being done to lift the limit as well as add a ton of customization for your export. The following is a list of features currently in the pipeline for export functionality:
The particulars are still being worked out for importing data--specifically what users would most like out of that functionality, if anything at all.
The project is young, but anyone who has suggestions or even wants to sling some code is welcome to reach out.
SteemPort is an early stage import/export tool for your STEEM data.
Check out https://steemport.com !