Is there a way to....

[jbrown]

....make screenshots produce jpg files rather than the PDF ones they do by default??

 

[tech4all]

Yup

....make screenshots produce jpg files rather than the PDF ones they do by default??

Not sure about the actual screen shot, but if you take the PDF into Preview you can export it as a JPG file.

 

[CanadaRAM]

....make screenshots produce jpg files rather than the PDF ones they do by default??

There's an echo in here...

The first two address various methods of getting non-PDF output, directly or indirectly

https://forums.macrumors.com/threads/118812/
https://forums.macrumors.com/threads/117123/
https://forums.macrumors.com/threads/108397/
https://forums.macrumors.com/threads/99989/
https://forums.macrumors.com/threads/99951/