SlimSnap
Turn a screenshot into JSON your AI coding agent can read
SlimSnap is a Mac app that turns a screenshot into structured JSON instead of an image. It captures any area of your screen, runs OCR on-device, and outputs the text, elements, colors, and bounding boxes as a compact JSON document, including any arrows or callouts you draw before exporting.
It's built for AI coding workflows. Terminal agents like Claude Code, Aider, and Codex CLI can't take images, and those that can tend to edit the wrong element when reading a flat screenshot. SlimSnap gives them the structure so they act on the exact thing you point at. It's free, runs entirely on your Mac, and the JSON schema is open under MIT.
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