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How I built CastRemix: swap the lead character in any short video with AI

I've been building CastRemix , a tool for AI video character swaps. What it does: you upload a short reference video (2–30s) plus a photo of your character, and it generates a new take where your character becomes the lead. How to get a good first result Pick a short clip with one performer, clear…

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  1. 2026-11-04 19:06 · DEV Community — AI
    How I built CastRemix: swap the lead character in any short video with AI

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