Paperfig (https://paperfig.io/) generates scientific diagrams and graphical summaries from a text description, a drawing or a photo.

Edit to adjust captions, move pictograms, and change layout.

Export PNG, TIFF or PDF.

In the free version, 150 credits upon registration and then 10 renewable credits each day (about 50 credits per generation)

Image for testing: https://commons.wikimedia.org/wiki/File:Milky_way_in_Elbrus.jpg