Performs lossless compression on Jpeg, PNG & Gif Images using JpegOptim, OpimPNG & Gifsicle Requirements Installed on Server JpegOptim Gifsicle OptimPNG PHP setup Access to exec() function Important This will not compress images already in your Media Library! It will only work on newly uploaded images. Upcoming/Roadmap More PNG Compression Options MozJpeg Compression WP CLI tool Support for compressing images made by Timber Compress on Demand Filterable locations for locating the tools Improve the Tool Loader to use less RAM Internationalisation Include required Binaries with the Plugin