Ability to download pluggins to computer. (Or at least make backups)

Hi, I would like to know if there is possible to download pluggins (or pluggin data and config) created in Aternos to my computer.
I want to store backups of pluggins as some of them does save data (and for other reasons too!)

I'm not asking to upload pluggins, just download.

It would make me spend less hours coping and pasting raw text in each file.

thank you   

Backups only backup world folder. I don't want the .jar, just the config folders. Btw thanks for the reply.

Do you have a link?