Genjutsu AI lets users swap faces in viral clips using photos, without prompts

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A developer has released Genjutsu AI, a web tool that replaces people in existing short videos with photos the user selects. Users upload a clip, which the app splits into scenes and identifies the people in frame, then attach one photo per person to be swapped. Backgrounds, props, timing, and original audio stay as filmed, with output at 720p. Scenes must be 15 seconds or shorter, and the service runs on a credit system priced at $9.99 for 10 credits after an introductory first purchase. The creator, who built the paid product, is seeking feedback on scene splitting, face consistency, and pricing.

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