Many file types use scr extension and some of them are images, so it is likely that at least some of them can be resaved as common JPEG images. Checking SCR to JPG extension would also be a good idea as JPEG images use jpg file extension much more often.
Convert Sun Raster bitmap image file to JPEG bitmap image format.
We have found 2 software records in our database eligible for .scr to .jpeg file format conversion.
Microsoft Windows software - convert scr to jpeg on Windows
A complete image retouching program
Convert from scr file format
The tables with software actions are a good pointer for what a certain program does with various file types and often may give users a good hint how to perform certain file conversion, for example the above-mentioned scr to jpeg. However, it is not perfect and sometimes can show results which are not really usable because of how certain programs work with files and the possible conversion is thus actually not possible at all.
Multiplatform software - convert scr to jpeg on any platform
A popular utility for viewing and converting graphic files