Tilemap Studio has updated to 2.1.0. It now has 1x to 10x zoom; and can generate a tilemap, tileset, and palette from an input image.
https://github.com/Rangi42/tilemap-studio/releases/tag/v2.1.0Here's an example of it applied to an intro Raikou: <
https://hax.iimarckus.org/post/48402/#p48402>