H3 4K 细节重绘放大
上传低分辨率草图或人像，在保持构图与身份不变的前提下重建 4K 级真实细节。
或拖入文件、粘贴图片或链接
PNG、JPG 或 WebP，不超过 10 MB
没有图片？试试这些
使用方法
Powered by the 33.1B single-stream diffusion transformer with automatic aspect-ratio preservation and structure-locked reference encoding.
添加照片
上传 10 MB 以内的 PNG、JPG 或 WebP，也可以先用示例图。
一键处理
点击一次即可开始，结果会自动保存到作品。
对比并下载
拖动滑块对比效果，再下载完整图片。
Geometry & Perspective Lock
Your uploaded file is encoded through the 16x spatial downsampling VAE so horizon lines, camera focal length, facial proportions and object silhouettes stay aligned from start to finish.
Zero Prompt Engineering Needed
Each preset applies a calibrated server-side instruction template tuned for 6-step and 8-step CFG-free checkpoints—converting untextured 3D clay renders, portraits or product shots in one click.
Private Cloud History & Refund Guarantee
Every finished 2K or 4K export is archived to your private Creations library. Credit costs are displayed upfront on the button, and any upstream provider failure automatically refunds your balance.