像素头像图案生成网站，可调整预设，例如：对比度、颜色、图案尺寸、图案间隔等
拓展网站：
Pixel It - Create pixel art from an image (giventofly.github.io)
Pixelator (pixelatorapp.com)
Pixilart - Free Online Art Community and Pixel Art Tool
Convert image into 8-Bit Pixel Art & Animated Gif - NFT Maker (img8bit.com)
Pixel Art Maker - Dinopixel
Piskel - (piskelapp.com)
Minecraft Image Converter Online | minecraftart.netlify.com
Pixel Art Maker
