适用场景：九宫格切图、朋友圈切图、小红书切图（red book 切图）、WeChat 切图、ins 切图、twitter 切图（X 切图）。把一张图切成多格，方便发朋友圈/小红书/Instagram/X(Twitter)。
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.
Use cases: WeChat Moments grid posts, Xiaohongshu/RED (red book) grid, Instagram (ins) grid, and X (Twitter) grid. Split an image into a 3×3 (nine-grid) or custom layout.