Hunyuan 3D 是一款由腾讯驱动的先进AI 3D模型生成平台，无需3D建模经验，用户只需输入文字或上传图片，即可在几分钟内生成带有PBR材质的高质量三维模型。平台采用10亿参数AI模型，支持多种主流格式导出，适用于游戏、动画、VR、3D打印等多种商业用途。无论是专业设计师还是创意爱好者，都能轻松体验AI赋能的高效3D资产创作。 hunyuan-3d.org

I actually ran into the same problem, so I made a tool called
wplacepixelart.com. It uses the official 64-color palette from wplace.live and can convert images directly into pixel art. Before downloading, you can see the total pixel count

Just discovered Flux Krea—an image editor that actually gets what you want. You upload a photo, tell it what to change in plain English, and it nails the edit. No confusing tools, just fast, pro-level results. flux-krea.app