Is AI Video Dub really free?

Yes. There is no daily limit and no card required. Sign in with Google and start.

Can I run both extensions?

You can install both, but run only one at a time on a video — two dubbing tracks will talk over each other.

Which one sounds more natural?

AI Video Dub uses Microsoft Neural TTS with 400+ voices and matches speed to each subtitle segment. Voice preference is subjective, so try both on the same video.

Do I need a subscription for more languages?

No. All 50+ translation languages and every voice are available on the free tier.

AI Video Dub vs YouTube Dubbing — Translate & Dub

Both extensions dub YouTube videos with AI voices in real time. They differ in where they work, how many videos you can dub for free, and how many voices you get. Here is the honest breakdown, with figures taken from each extension's Chrome Web Store listing in August 2026.

Short answer

AI Video Dub

Pick AI Video Dub if you watch YouTube every day and do not want a daily cap. There is no limit on how many videos you can dub, you get 400+ Microsoft Neural voices, and you can export translated subtitles as an SRT file.

Short answer

YouTube Dubbing — Translate & Dub

Pick YouTube Dubbing if you need Bilibili, Udemy or Coursera, if you use Firefox or Android, or if you dub interviews where telling speakers apart matters.

Feature by feature

Feature	AI Video Dub	YouTube Dubbing
Free usage	No daily limit	5 videos per day
Languages	50+ for translation, 70+ for voice	48
Voices	400+ Microsoft Neural voices	Male and female voices with regional accents
Works on	YouTube	YouTube, Bilibili, Udemy, Coursera and more
Browsers	Chrome	Chrome, Firefox, Android
Subtitle export	Download as SRT	Built-in subtitle editor
Full transcript	Video to Text with timecodes, click to jump	Subtitle summary
Multi-speaker detection	Not available	Premium
Extension size	136 KB	6.32 MB
Users on Chrome Web Store	3,000 · 4.5★	200,000 · 4.2★

Figures taken from each extension's Chrome Web Store listing, August 2026. They may change — check the listings for current numbers.

Where AI Video Dub is stronger

No daily cap. Dub as many videos as you want without counting them.
400+ neural voices, with several to choose from per language.
Export translated subtitles as SRT for VLC, editors or re-upload.
136 KB against 6.32 MB — it loads instantly and stays out of the way.

Where YouTube Dubbing is stronger

It also covers Bilibili, Udemy and Coursera; AI Video Dub is YouTube only.
It ships for Firefox and Android as well as Chrome.
Premium tells speakers apart and keeps the original background audio.
200,000 users against 3,000 — a far longer track record.

Common questions

Try it on your next video

Install AI Video Dub, open any YouTube video and pick your language. No limit, no card.

Install Free