Converting a multi page pdf to multiple pages using a single command

Question

I want to convert multi page pdfs into single page images efficiently.

I already know how to do this one page at a time with imagemagick. For example,

Answer 1

If you use Graphicsmagick on Debian or ImageMagick on macOS you probably have to add ADJOIN to your command. So it should look like

convert x.pdf +adjoin x-%04d.jpg