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Building an offline speech-to-text app with Flutter, FFI, whisper.cpp and FFmpeg

This story is from 2026-10-22. It is preserved in the archive; the latest stories are on the live feed.

Cloud transcription is convenient until you have a recording you'd rather not upload: a lecture, a client call, a voice note. So I built Extracter , an open-source Flutter app that turns any audio or video file into text entirely on the device. No account, no analytics, and no network at all once a…

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  1. 2026-10-22 08:18 · DEV Community — AI
    Building an offline speech-to-text app with Flutter, FFI, whisper.cpp and FFmpeg

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