JPG file format is the most popular and well used format to save images. JPG can also be written as JPEG, and compresses your photos to what it needs. You can chose your size and if you want to save it to the maximum or minimum compression. Unlike the RAW file where it choses the option for you based on the details.

Raw file format is the most popular format to save your pictures if you don’t want them compressed. This file format saves at the best quality it could for every picture. Raw files can’t be printed or edited unlike JPEG. If you want your picture to be compressed to the maximum or minimum, then you should use JPEG. If you want it to have the most detail that it could.