Space Randomize.

Left / Right Undo / Redo.

Enter Toggle favourite. Favourites are saved between reloads.

Up / Down Browse favourites.

z x c v b Tweak. Randomizes param categories: 4D perspective, Omni-wobble, Colour palette, Blur wobble and Blur style, respectively.

r Half/normal res.

1..8 Render speed. Renders more iterations per frame. Can greatly increase render speed on faster machines. Default is 1.

a Aspect ratio. Cycles through Fill Screen, Square, 16:9 and 9:16. Square has the largest view.

h Max iterations. Get nearly noise-free by rendering to 30K, much more is probably unnecessary, but you do you.

R Higher res. For print resolutions. Careful, too high may crash the GL context.

g Contrast. For phone/desktop backgrounds.

s Save image. You can also right click save.

f Full screen. Where supported.