Go there: https://phosphorus.github.io/app.html?id=217834166&turbo=true&full-screen=true Or here: https://sulfurous.aau.at/html/app.html?id=217834166&turbo=true&full-screen=true&aspect-x=4&aspect-y=3&resolution-x=&resolution-y=
Blurring is a great way to make your image a bit more unclear. In contrast to the pixelization effect, it doesn't cause losing resolution. Unfortunately, it needs many more calculation, so the rendering will be slowed down. Impatient people can increase pixelization a bit to get rid of that.