Software as a Service
JBLC is a Software as a Service (SaaS), i.e. there is no software licence. You pay only the service for the demanded transformation of your file/s.
The price for a conversion depends on the amount of characters to convert and whether the document will be published or not. But be assured: the time you would spend in copy-pasting or typing would be much more expensive... The price varies and begins at a (few) dollar(s) for an article.