Funnnny

A plugin that automatic download and resize your images on Post when it larger than your width and height set on Option page.
This plugin is base on ImageScaler by PaulButler, I only change some code for the better work.

ImageScaler Modded

A plugin that automatic download and resize your images on Post when it larger than your width and height set on Option page.

Informatiza

Sutolix

Automatically convert all images (png and jpg) sent to the WordPress library to webp.
ATTENTION: The original images are not kept, when sending an image it will be as if you had sent a webp from the beginning.
Features include:
<ul>
<li>Set conversion quality.</li>
<li>Set the maximum width/height of images. If an image exceeds the defined value in height or width, the image will be resized to the defined maximum.</li>
<li>Ignore images that have a certain name in the file name</li>
</ul>

Webp Transformer

Convert images from library to webp and resize them during upload

ImageScaler Modded vs Webp Transformer