Free during beta with daily limits

DubSync

AI dubbing for supported video sites with available captions. Choose a target language, select a voice provider, and follow videos with dubbed audio and a learning script panel.

AI Dubbing BETA
Dub
Language Vietnamese
Voice OpenAI Alloy

Supported Beta Sites

DubSync works best when the video exposes captions or subtitles.

YouTube YouTube Shorts FshareTV Udemy experimental Coursera experimental

Supported Platforms & Browsers

Desktop: Google Chrome, Microsoft Edge, Brave, and other Chromium browsers.

Android Mobile: Supported via extension-enabled browsers such as Lemur Browser, Kiwi Browser, or compatible mobile browsers (standard mobile Chrome on Android does not support browser extensions).

Caption-based dubbing

Translate available captions and generate spoken audio with supported providers.

Bring your own key

Use provider keys for OpenAI, Azure, Google Cloud, or ElevenLabs when needed.

Learning script

Follow original and translated text while watching supported videos.

Beta Notes

DubSync is free during beta with local daily limits. Advanced plans may be introduced later.

DubSync does not claim support for every website. Netflix is not included in the first public beta release.

DubSync is independent and is not affiliated with, endorsed by, or sponsored by supported video sites or provider brands.