![youtube](https://img.youtube.com/vi/XS0Aht2P7no/mqdefault.jpg)
I use 2 tools to add articles (and categories) in bulk to Joomla.
OSContent by Joomlashack
https://www.joomlashack.com/joomla-extensions/oscontent/
CFI Plugin import/export Joomla by Joomline
https://joomline.org/extensions/scripts-other-developments/cfi.html