Whisper + FFmpeg Local AI

AutoVideoDub

Private Subtitles & AI Voice Dubbing

Choose video Drop an MP4 or WebM file here.

Video language Subtitle language Translation target Whisper model Precision Timing

Reading voice Read subtitles with browser voice Mute original audio while reading Fit speech into subtitle timing Voice preparation: 1.2 s

TTS debug

Waiting for video 0%

Video preview

Whisper segments

No output yet

Subtitle lines will appear here after transcription.

How to Use AutoVideoDub

1

Upload a Video

Click "Choose video" or drag and drop your MP4/WebM video file.

2

Set Options

Choose the video language, Whisper model, precision, and timing mode for subtitle generation.

3

Generate Subtitles

Click "Create subtitles" to transcribe your video locally in the browser.

4

Translate SRT

Copy the translation prompt, send it to ChatGPT, then paste the translated SRT and apply it.

5

Add Voice Dubbing

Enable browser voice reading to preview AI-style dubbing aligned with your subtitle timing.

6

Export Your Video

Download VTT/SRT subtitles or burn subtitles into the video with the subtitled video export.