Remembered about this a Lemmy convo.

It is good. Animations or pictures beyond the selected size are replaced by a red border. Clicking it will load that image. Or you can temporarily turn it off for the website and reload the tab.

There is an option to exclude Websites from from it too. e.g. You can exclude Lemmy instances where you want to see images by default.

https://github.com/gorhill/uBlock/wiki/Per-site-switches#no-large-media-elements

Sharing it here since I had heard that uBo with full capabilities is now only available in Firefox