Have a look at this topic: https://www.lenspiration.com/forums/topic/raw-or-jpg/
Since you have a Canon camera, the software that came with your camera would be Canon Digital Photo Professional. If you go to this page, and put in your camera model number it will give you a link to download it if you don’t have the disk that came with your camera.
See here for tips on batch processing with DPP: https://www.dpreview.com/forums/thread/3089886