Looking for a Local Model on M1 Mac to Batch-Convert Images to 9:16 Portrait

gelembjuk · reddit · 2026-09-17

A user wants to batch-convert images of various sizes into 9:16 portrait versions, as if shot on a smartphone. The OpenAI API handles this but is too expensive, so they want to run a model locally on a MacBook Pro M1.

They tried DiffusionBee without success and are asking the community for a working local setup, prompts, or settings.

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