We'll create fresh WordPress site with Parsedown Party installed. You have 20 minutes to test the plugin after that site we'll be deleted.
This plugin lets you use Markdown for individual posts on a case-by-case basis. Markdown can be activated using a toggle in the post editor submit box. When enabled, it replaces the WordPress post editor with CodeMirror in Markdown mode.
Works on posts using the Classic Editor. Gutenberg is currently not supported.