What is AutoDub?
AutoDub can automatically detect the original video’s language and start AI dubbing with a single click. It supports 42 dubbing languages and more than 90 natural-sounding voices, making it suitable for a wide range of content such as programming tutorials, science documentaries, lifestyle vlogs, business interviews, and long-form podcasts. The extension is embedded directly into the YouTube player interface, compatible with Chromium-based browsers like Chrome, Edge, and Brave, and also available as a standalone Firefox version.
Key features
Supports 42 dubbing languages and over 90 natural-sounding voices, delivering high-quality AI voiceovers.
Automatic language detection plus synchronized bilingual subtitles ensure that the dubbed audio stays perfectly aligned with the video playback in real time.
Use cases and audience
Ideal for YouTube viewers, especially those who need to learn programming tutorials, watch educational documentaries, lifestyle vlogs, business and finance analyses, podcast interviews, or short documentary films across different languages.
- Programming tutorial learning: Supports real-time AI dubbing and bilingual subtitles for videos from channels like Fireship, ThePrimeagen, Traversy Media, and others, helping Chinese-speaking users better understand technical content.
- Educational video viewing: Compatible with science channels like Veritasium, Kurzgesagt, and 3Blue1Brown, automatically translating English narration into Chinese and adding voiceovers.
- Lifestyle video consumption: Covers global travel logs, cooking shows, and lifestyle vlogs, breaking language barriers to access diverse content.
YouTube videos (must include a subtitle track; automatically generated YouTube subtitles are also supported).
AI-dubbed audio (featuring natural-sounding voices) and synchronously displayed translated subtitles (bilingual subtitles optional).
Frequently asked questions
Does AutoDub charge a fee?
AutoDub is currently free for personal use, with no daily usage limits; should optional paid features be introduced in the future, clear advance notice will be provided.
Which languages are supported?
Supports dubbing videos into 42 languages, including Chinese, English, Japanese, Korean, Spanish, Portuguese, French, German, Russian, Arabic, Hindi, Indonesian, and Ukrainian, among others; automatically detects the source video’s language, with no language restrictions.
How to use
- 01
Install the extension from the Chrome Web Store with one click.
- 02
In the YouTube player, click the AutoDub button; the system will automatically detect the original video language.
- 03
Select your target language (supports 42 dubbed languages).
- 04
Start playback—the AI voiceover will sync in real time, while translated subtitles appear on-screen.
Benefits and limitations
Benefits
- Free for personal use, with no daily usage limits
- No account, login, or API key required
- Supports 42 dubbing languages and over 90 voices
- Provides bilingual subtitles
- Dubbing stays synchronized with the YouTube video timeline
- Supports YouTube’s automatically generated subtitles
- Compatible with Chrome, Chromium-based browsers, and Firefox
Limitations
- Only works with YouTube; does not support other streaming platforms or video websites
- The video must include a subtitle track in order to be dubbed.
- AI translation requires an internet connection.
- Subtitle processing will take place on the AutoDub server.
- Before playback begins, translation and speech generation may take some time.
Pricing and availability
Free for personal use, with no daily usage limits; no mention of commercial licensing, subscription cycles, word/character limits, annual/monthly payment options, or a timeline for price changes.
- Pricing source
- https://autodub.net/en
- Pricing last updated
- 2026-10-28
Prices and limits may change. Check the official website for current terms.
Official website & sources
Updated on 2026-10-29
