Joint Photographic Experts Group
JPG is a popular extension to save web graphics or photos. it uses compression, which makes transferring and downloading files easier. It’s based on a colour palette made up of 24 bits. Care needs to be taken when compressing since the image quality degrades more heavily during decompression the stronger the compression effect.
Adobe Photoshop bitmap
An essential format for when you want to save bitmap images within a project file for Photoshop. Storing it this way doesn’t use compression, and much of the file’s structure remains preserved. This includes layer hierarchy and masks, colour spaces & two-colour settings, and everything else that facilitates minute bitmap photo adjustment.