Contao - tiny-compress-images
Speed up your website. Smart WebP, PNG and JPEG compression
This plugin automatically optimizes your images by integrating with the popular image compression services TinyJPG and TinyPNG.
Install using Contao Manager
Search for tinyjpg, tinypng or tinywebp and you will find this extension.
Install using Composer
$ composer require christianbarkowsky/contao-tiny-compress-images
Install this extension and obtain your free API key from https://tinypng.com/developers.
The first 500 compressions per month are completely free.
Put the API key to your Contao settings.