Speak clearly, dub better

Crisp, well-paced speech in the source recording produces noticeably cleaner dubs. The AI matches your tone and pacing, so a clear original means a natural-sounding result in every language.

Stack languages in one go

Add several destination languages before clicking Dub Videos — they all process in a single run instead of you waiting for each one separately. Great for using the same video with multiple audiences.

Your voice carries across languages

Dub Video clones your vocal character, so the dubbed take sounds like you speaking the new language — not a generic voice. The original take stays untouched in your project.

Mute the music before dubbing

Background music, sound effects, or anything other than clean speech can confuse voice detection and corrupt the dub.

Set Number of speakers correctly

If your video has two people but Auto picks up one, the dub will merge both voices into a single speaker. Use the − / + control to set the exact count if Auto guesses wrong.

Is BIGVU free to use?

Yes — BIGVU has a free plan with the teleprompter, basic editing, and watermarked exports. AI features run on credits: Free includes 500 credits one-time, paid plans (Starter, AI Pro, AI Max) refresh credits monthly, and you can buy top-up packs anytime. A few features (AI Eye Contact, Video Background Remover, Online Video Maker) need a paid subscription on top of credits.

How many languages does Dub Video support?

Dub Video supports many languages — Spanish, French, German, Italian, Portuguese, Japanese, Hebrew, and many more. Open the Destination dropdown to see the full current list.

What aspect ratios are supported?

16:9 (YouTube), 9:16 (TikTok/Reels), 1:1 (feed posts), and 4:5 (Instagram portrait).

Can I dub videos on mobile?

Yes — Dub Video runs on both bigvu.tv and the BIGVU mobile app. Start a dub on your phone after a shoot, then refine voice settings on the web later — your project syncs across both.

All Steps (10)

AI Dubbing — Web

Learn how to use the BIGVU AI Dubbing feature on mobile and web. Translate and dub your videos into dozens of languages automatically while preserving your voice, tone, and natural lip-sync.

AI Dubbing — Web

All Steps (10)

AI Dubbing — Web

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