Caption It — On-Device Video Captioning & FFmpeg Studio

Drop your video to caption & edit

MP4, WebM, MOV supported · Up to 200MB · Runs locally in your browser

Transcription options

Language

Model

Custom Terms

Import Captions

Running locally in your browser

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Initializing...

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Timeline 0 cues Click time to seek · Edit timestamps or text inline

Render Complete

Rendered locally with FFmpeg.wasm