.cr2 - Canon Digital Camera Raw Image File .dmg - Mac OS X Disk Image .dng - Digital Negative Image File .gif - CompuServe Graphics Interchange Format .jp2 - JPEG 2000 Core Image File .jpg - Joint Photographic Experts Group JFIF format .nef - Nikon Digital Camera Raw Image File .png - Portable Network Graphics .psd - Adobe Photoshop Document .tif - Tagged Image File Format