Build X Carousel Posts from One Wide Image: A Splitter Tool Plus YouMind Skill Workflow

sujingshen · x · 2026-09-11

Sharing a full workflow for X's new horizontal four-image carousel: a browser-based splitter that crops one wide image into four connected 4:5/9:16/1:1 tiles with live preview and fully local processing, plus a YouMind skill that turns a single prompt into a four-beat narrative script, a 21:9 continuous image, sliced tiles, and even ready-to-post copy.

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