Recommended settings: Image size: 720x720. You can also refine it using Pixel Snapper (to snap the pixels to a true grid and limit colors). I've had mixed results descaling it to true pixel dimensions (80 x 80) with Pixel Art Resizer.

Tags: pokemonsprite, white background, full body shot
Made for a bounty for sukimuki (https://civarchive.com/user/sukimuki).