Alternatives to ImageOptim for Mac with any license

  • ImageMagick

    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...

    Free Open Source Mac OS X Windows Linux iPhone iPad ... Xfce

    ImageMagick icon
  • JPEGmini

    JPEGmini is a patent-pending photo recompression technology, which significantly reduces the size of photographs without affecting their perceptual quality. The...

    Commercial Mac OS X Windows

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  • ImageAlpha

    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...

    Free Open Source Mac OS X

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  • GraphicsMagick

    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...

    Free Open Source Mac OS X Windows Linux

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  • pngquant

    pngquant is a command-line utility and a library for lossy compression of PNG images. The conversion reduces file sizes significantly (often as much as 70%) and...

    Free Open Source Mac OS X Windows Linux

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  • JPEG Archive

    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...

    Free Open Source Mac OS X Windows Linux BSD

    No features added Add a feature

  • Gifsicle

    Gifsicle is a command-line tool for creating, editing, and getting information about GIF images and animations. Making a GIF animation with gifsicle is easy. Some...

    Free Open Source Mac OS X Windows Linux

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  • Crunch

    Crunch - Insane(ly slow but wicked good) PNG image optimization. It combines selective bit depth, color type, and color palette reduction with zopfli DEFLATE compression...

    Free Open Source Mac Linux

    No features added Add a feature

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  • Photo Size Optimizer

    A powerful photo resizer and optimizer for Mac, allows you to optimize all your photos by 80% ~ 20% comparing to their originals while keeping their original resolution...

    Freemium Mac OS X

    No features added Add a feature

    Photo Size Optimizer icon

Platforms

Desktop

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