PostgreSQL implementation of HTMLDOC conversion software. It is a program that reads HTML and Markdown source files or web pages and generates corresponding EPUB, HTML, PostScript, or PDF files with an optional table of contents. ### [Use of the extension](#use-of-the-extension) ```sql select htmldoc_addurl('https://github.com'); copy ( select convert2pdf() ) to '/var/lib/postgresql/htmldoc.pdf' WITH (FORMAT binary, HEADER false) ```