Convert, browse and clear cached images and files. Images you see online are never deleted immediately, unless you delete them of course. Most desktop apps have a cache directory, not all provide the tools to clear it. CacheMonkey not only lets you purge cache files, but browse and filter through them too.
I like this! Only just noticed this pull request. I will test it out shortly, though initial thought is that it might be better on the settings tab with a title preview box to represent the size.
It basically changes the size of every image/tile. With a simple slider. What it looks like: https://i.imgur.com/kRzQhHt.png