all-in-one , one knob , quick-result plugins – Effects Forum

I usually use complex plug in chain in my actual productions for creative things like there but
I’m looking for some quick plugins to use when quickly creating demos and for inspiration / surprises.
what plugins are out there for quick sound manipulation / enhancement / LoFi-ness / , something like RC-20, wave one-knob.

win10 x64. cubase 10 x64.
gigabyte z390 gaming x, i7-8700k, 32GB,
2x 2TB m.2 nvme SSD, 1x 2TB sata ssd.