ImageOptim 是一款开源的图片无损压缩工具。虽然开源，但是功能确非常强大。它无缝整合了当今世界上最好的图像优化工具：MozJPEG，pngquant，Pngcrush，7zip，SVGO和谷歌Zopfli，帮助您压缩您的图像。支持设置是否删除臃肿的的图像元数据，设置压缩质量、设置压缩速度。
ImageOptim is a front-end (GUI) for set of tools for optimisation of PNG and JPEG images.
ImageOptim removes EXIF meta­data, such as GPS position and camera’s serial number, so that you can publish images without exposing private information (but there’s an option to keep the meta­data if you need it).
Faster web pages and apps
Reduces image file sizes — so they take up less disk space and down­load faster — by applying advanced compression that preserves quality.
Image files scrubbed clean
Removes invisible junk: private EXIF meta­data from digital cameras, embedded thumbnails, comments, and unnecessary color profiles.
Best tools with drag’n’drop
Seamlessly combines all the best image optimization tools: MozJPEG, pngquant, Pngcrush, 7zip, SVGO and Google Zopfli. All Free and Open-Source.
What’s New:
Version 1.9.2-b2:
Support for Apple Silicon CPUs
Updated OxiPNG
Updated MozJPEG
Updated pngquant
Updated SVGO
Updated guetzli
Requires macOS 10.15 (Catalina) or newer
Compatibility: macOS 10.15 or later, Apple Silicon or Intel Core processor
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