Free AI video dubbing
Reaching a second country used to mean hiring a voice actor. BolCaps does it in a few minutes: it writes your captions, translates each sentence, records a natural voice in the new language and puts every sentence where you said the original. Your own sound stays underneath, quietly, so music and background noise still feel real. The captions switch to the new language too.
Dub my video free
How to do it
- Open the Caption studio, add your video and press Generate captions.
- In the Caption studio, open the Tools tab.
- Under Dub into another language, pick the language and a voice.
- Under Original sound, keep Keep music and sounds, remove the voice: only the new voice is heard, your music stays.
- Press Dub video and listen. A sentence that is longer in the new language is spoken a little faster so it fits.
- Pick a caption style and export the MP4.
Languages
More than 50 dubbing languages, including English, Urdu, Hindi, Arabic, Spanish, French, Portuguese, German, Turkish, Indonesian, Bengali, Japanese and Korean. Pro members also get the Studio voices, which sound the most human.
Free and Pro
- Free: dub a video up to 1 minute long, once a day.
- Pro: videos up to 20 minutes, and the Studio voices, the most human-sounding voices on BolCaps.
Tips for a good dub
- Fix any wrong word in the captions first: the translation is made from them.
- Short, clear sentences translate best.
- Keep music and sounds removes the original speaker, so only the new voice is heard.
Frequently asked questions
Is AI dubbing free?
Yes. Free accounts can dub a video up to 1 minute long once a day. Pro dubs videos up to 20 minutes.
Does it clone my voice?
No. The new language is read by a natural AI voice you pick. BolCaps does not copy anyone's voice.
Will it match my lips?
No. It is a voice-over dub, timed sentence by sentence, not lip sync.
Can I undo it?
Yes. Undo brings back your original sound and captions.
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