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How I Run Whisper and Export Captioned MP4s Entirely in the Browser

Getting a transcript is only the first handoff in a caption editor. After that, the words have to survive several clocks, a live preview, a style system, and a video encoder. I’m building Karaoke Captions , a React and TypeScript editor that transcribes and renders video locally. In an earlier post…

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  1. 2026-11-14 19:27 · DEV Community — AI
    How I Run Whisper and Export Captioned MP4s Entirely in the Browser

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