Guetzli is a Google program to optimize JPEG images. Unfortunately, it only works one file at a time. With this GUI you can do it recursively a whole folder. ![1](https://github.com/tanrax/guetzli-recursively-gui/blob/master/screenshots/1.jpg) ![2](https://github.com/tanrax/guetzli-recursively-gui/blob/master/screenshots/2.jpg) # Install [Download latest Version](https://github.com/tanrax/guetzli-recursively-gui/raw/master/dist/guetzli-r.zip) Unzip the download and move **Guetzli-R.app** to the folder **Applications**.