GridSlice 是一款完全免费、无需注册、无需上传的在线图片编辑工具。支持九宫格（3×3）及自定义行列数（最高20×20）的精确裁切，每条分割线均可任意拖动调整，输出保留原始分辨率，支持 PNG、JPEG、WebP 格式。
GridSlice is a 100% free browser-based image grid splitter. Load any JPG, PNG or WebP, split it into up to 20×20 grid cells, drag crop lines to any custom position, and export at full original resolution. No upload, no account, no watermark.