Picview
Picview is an image viewer for macOS with a nice minimal modern user interface. Picview works great with JPEG, HEIC, PSD, RAW, WEBP, PNG, GIF, and many other formats. Provides basic image processing, including flip and rotate, EXIF, and other information. Supports keyboard shortcuts and trackpad gestures. The most important, Picview like Windows' default picture viewer — Photos, where zoom in and out with the mouse wheel and switch between images with arrow keys and/or with on-screen buttons.
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4K Image Compressor
4K Image Compressor is a free cross-platform app that lets you optimize PNG, JPEG, HEIC, and WEBP images quickly and without quality loss.
With 4K Image Compressor, you can:
Reduce the size of an image by a desired number of percent or to a particular size in megabytes, kilobytes, or even bytes
PNG, JPEG, HEIC, and WEBP are supported for optimization and conversion, and more are coming soon
Batch compression is available to save your time
You can upload images in lossless and lossy formats.
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Regards
Support reading Picture format : BMP files, Dr. Halo CUT, DDS, EXR files, Raw Fax G3, GIF files, HDR files, ICO files, IFF, JBIG files, JNG files, JPEG/JIF files, JPEG-2000 File Format, JPEG-2000 codestream, JPEG-XR files, KOALA, Kodak PhotoCD, MNG, PCX, PBM/PGM/PPM files, PFM files, PNG files, Macintosh PICT, Photoshop PSD, RAW camera, Sun RAS, SGI, TARGA files, TIFF files, WBMP files, WebP files, XBM, XPM files, PFM, SVG, AVIF AND HEIC. Support reading Video format (DXVA2 acceleration support) : mpeg4, avi, mkv, webp, y4m, AV1 format, quicktime and AVCHD. Open DMG file and Copy RegardsViewer to Application Folder. Add new button for linking external program for video and picture edition. Correct crash when you keep push down space bar after video thumbnail. Correct bug on scrollbar disapear on Thumbnail video and Thumbnail effect.
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XnView
XnView MP/Classic is a free Image Viewer to easily open and edit your photo file. The Image Viewer supports all major image formats (JPEG, TIFF, PNG, GIF, WEBP, PSD, JPEG2000, OpenEXR, camera RAW, HEIC, PDF, DNG, CR2). As Image Viewer you have features like color adjusting, image resizer, cropping, screen capture, metadata editing (IPTC, XMP) and much more. With its easy-to-use explorer-like interface, XnView MP allow you to quickly view your images and photos, but also to make image management. You have features like batch rename, batch converter, duplicate image finder, image compare, but you can also create contact sheets, slideshow.
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