I'm not sure I understand your question. Are you referring to the resolution of Minecraft skins? Please clarify your question and we'll do our best to help! ^FF
Currently, the max skin size is 64x64 pixels on Java, while on Bedrock you can use 128x128 skins. If you'd like to share your feedback to the game team on this, you can feel free to do so here: bit.ly/3uQyA4R. ^FF