Pixea is an image viewer for macOS with a nice minimal modern user interface. Pixea works great with JPEG, HEIC, PSD, RAW and many other formats. Provides basic image processing, including flip and rotate, shows color histogram, EXIF and other information. Supports keyboard shortcuts and trackpad gestures. Shows images inside archives, without extracting them.
JPEG, HEIC, GIF, PNG, TIFF, Photoshop (PSD), BMP, Fax images, macOS and Windows icons, Radiance images. RAW formats: Leica DNG and RAW, Sony ARW, Olympus ORF, Minolta MRW, Nikon NEF, Fuji RAF, Canon CR2 and CRW, Hasselblad 3FR. Sketch files (preview only). ZIP-archives.