For photos, it supports JPEG, JPG, PNG, TIFF, BMP and 50 other RAW formats. WidsMob Viewer Pro not only supports browsing various picture formats but also supports browsing popular video file formats. Using it, you can view a single image, multiple images, or folder-based images in various viewing modes with incredibly fast and simple operations. WidsMob Viewer Pro is a folder-based media viewer and camera companion supporting Windows and macOS operating systems. In addition, it has some other functions, including zooming in/out photos, rotating images and converting raw images to popular image formats: JPG, PNG, GIF, BMP and TIFF. The formats it currently supports are Nikon RAW Format, Canon RAW Format, Fuji RAW Format, Sony Digital Camera Image and Adobe Digital Negative. It supports viewing almost all available camera raw formats. Raw Viewer is a free and user-friendly raw image viewer for Windows and macOS operating systems. If you want to make a video with your raw photos, MiniTool MovieMaker is highly recommended to you.

For your convenience, I compiled a list of the best raw photo viewers.

Best photo viewer for mac sierra