RIOT - Radical Image Optimization Tool Alternatives for Mac

    RIOT - Radical Image Optimization Tool is not available for Mac but there are plenty of alternatives that runs on macOS with similar functionality. The best Mac alternative is Caesium Image Compressor, which is both free and Open Source. If that doesn't suit you, our users have ranked more than 50 alternatives to RIOT - Radical Image Optimization Tool and many of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to RIOT - Radical Image Optimization Tool are ImageOptim (Free Personal, Open Source), XnConvert (Free Personal), E-mage (Free, Open Source) and JPEG Archive (Free, Open Source).

    This page was last updated Jul 23, 2021

    1. 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.
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    2. ImageOptim is excellent for publishing images on the web (easily shrinks images “Saved for Web” in Photoshop). It's useful for making Mac and iPhone/iPad applications smaller (if you configure Xcode to allow better optimization).
      Some users think ImageOptim is a great alternative to RIOT - Radical Image Optimization Tool, some don't.


    3. XnConvert is an easy image converter for graphic files, photos and images available on Windows, MacOSX and Linux. It supports more than 400 file formats (jpeg, tiff, png, gif, camera raw, jpeg2000, WebP, OpenEXR, ...).
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      • FreeOpen Source
      • Mac
      • Windows
      • Linux
      From developers to developers: a cross-platform tool for losslessly image compression.
    4. Utilities for archiving photos for saving to long term storage or serving over the web. The goals are: use a common, well supported format (JPEG), minimize storage space and cost, identify duplicates / similar photos.


    5. pngquant is a command-line utility and a library for lossy compression of PNG images.
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    6. JPEGmini is a patent-pending photo recompression technology, which significantly reduces the size of photographs without affecting their perceptual quality.
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    7. With Filestar you can "do anything with any file". Get rid of repetitive tasks, save time and boost your productivity with over 30.000 file conversions available. Transform or convert hundreds of files, all at the same time with a few simple clicks.
    8. ImageAlpha is a GUI for pngnq and pngquant. It allows you to easily generate paletted PNG images with full alpha channel. These images are usually 40-60% smaller than 24-bit PNG, and still can have semitransparent colors.
    9. Optimage is an advanced image optimization tool to compress images without losing quality at highest compression density. It supports all popular image formats including JPEG, PNG, GIF and PDF.
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    Showing 10 of 24 alternatives