There are many alternatives to iResize for Mac and since it's discontinued a lot of people are looking for a replacement. The best Mac alternative is Upscayl, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 100 alternatives to iResize and many of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to iResize are ImageMagick, Caesium Image Compressor, REAL Video Enhancer and XnConvert.
Open source desktop tool using advanced AI to enlarge and enhance images without loss of quality, available for Linux, macOS, and Windows. Linux-first development gives early access to Linux users. Requires Vulkan compatible GPU for upscaling.
ImageMagick is a software suite to create, edit, and compose bitmap images. It can read, convert and write images in a variety of formats (about 100) including GIF, JPEG, JPEG-2000, PNG, PDF, PhotoCD, TIFF, and DPX.
Caesium Image Compressor lets you compress your pictures up to 90% without visible quality loss. Providing a simple yet effective interface with a real-time preview and multiple image processing at the same time, everyone will be able to reach the best result.
Cross-platform tool offering advanced video upscaling and frame interpolation using RIFE, RealESRGAN, Waifu2x, and IFRNET, with scene change detection, instant preview, Discord integration, and ability to enhance local files or YouTube videos on major operating systems.
XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux.
GraphicsMagick is the swiss army knife of image processing. Comprised of 282K physical lines (according to David A. Wheelers SLOCCount) of source code in the base package (or 952K including 3rd party libraries) it provides a robust and efficient collection of tools and libraries...
Simple free and open source tool used to upscale your low resolution images using advanced AI models
Phatch is an user friendly, cross-platform Photo Batch Processor and Exif Renamer with a nice graphical user interface. Phatch handles all popular image formats and can duplicate (sub)folder hierarchies.
PhotoZoom Pro not only creates larger images than any other software (up to 1 million by 1 million pixels), it also produces higher quality results. PhotoZoom Pro is equipped with S-Spline Max, a unique, award-winning image resize technology which excels at preserving clean...
PhotoBulk is easy-to-use bulk image editor that lets you add text/image watermark, resize, and optimize hundreds and thousands of images or photos in just one click.
Shrink O'Matic is an AIR application to easily (batch) resize (shrink) images. It handles JPGs, GIFs and PNGs.
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iResize allows changing 4:3 aspect images to 16:9 widescreen format, without distortion or having to crop the main object(s) in the photo. ImageMagick is not for that purpose, and is mostly a command line tool for other purposes.