Translate a video from English to Vietnamese
Translate your video from English to Vietnamese in minutes, with natural lip sync and preserved voice — free
Translated video examples
Upload your Video
Your first minute of video is completely free. We’ll trim any longer videos.
Choose a file
Use a YouTube video that clearly shows someone speaking.
Translate to
If your video features people speaking, we'll sync their lip movements to the translated audio.
Upgrade to generate your translated video without a watermark.
Subtitles are auto‑generated for dubbed videos and viewers can toggle them on or off in the Multilingual Player.
AI dubbing supports multiple speakers and automatically preserves each speaker’s voice.
Control whether the video duration stays fixed or adjusts for translation.
By using this service, you confirm you have all necessary rights, licenses and permissions to upload and dub this content, and that your use of any dubbed content will be in accordance with the Acceptable Use Policy and in compliance with applicable regulations related to intellectual property and data privacy.
Remove watermarks and elevate your videos.
- Deliver translated videos without watermarks.
- Edit translations easily and securely.
- Dub videos in all available languages and dialects.
- Perfect for training, marketing and sales videos.
Fast and accurate English to Vietnamese video translator
Consistent voice, localized delivery
Create Vietnamese audio with voice cloning so localized videos still feel on brand.
State of the art lip sync
Sync mouth movements to your translated Vietnamese audio for a native delivery.
Accessible subtitles, built-in
Add Vietnamese and English subtitles instantly for clear playback in any environment.
How to translate a video from English to Vietnamese
Translate English videos to Vietnamese with natural voiceover and lip sync by uploading your video. You can also translate YouTube content from a link.
Upload your video
Drag your MP4, MOV, or WEBM video. Or paste a YouTube link. The platform will automatically detect the English audio.
Pick your target languages
Choose Vietnamese and decide if you want to sync the translated audio with the speaker’s lip movements. Click Translate for Free to start the dubbing process.
Review and fine-tune
Listen to the translated Vietnamese version, adjust the transcript if necessary, or select a different AI voice to ensure the final English to Vietnamese result is exactly as you want it.
Publish with one smart link
Produce the final files in minutes and share them via a single player link. Viewers will automatically see the Vietnamese version, with the option to switch back to the original version whenever they like.
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"180 videos. 5 languages. 0 hassle."
Rated 4.7/5 from 2,000+ reviews
Translate videos in 130+ languages
All your video translation questions answered
How does English to Vietnamese translation work?
Synthesia uses AI to automatically detect English audio, clone the original speaker’s voice, and synchronize lip movements for a natural Vietnamese translation.
Is it free to translate my video from English to Vietnamese?
You can translate videos longer than 1 minute for free — you just need to do it inside the app.
Will English or Vietnamese subtitles be generated for my video?
Yes, subtitles are automatically generated for every video in the language of the script, so both English and Vietnamese subtitles can be generated for your translated content.
Will lip movements match Vietnamese, even if the video was filmed in English?
Yes, the AI video translator automatically adjusts the speaker's mouth movements to match the translated Vietnamese audio for a natural, lip-synced result.
Will my translated video retain original voices in Vietnamese?
Yes, your Vietnamese translated video will retain your original English voice.
How accurate is the AI English to Vietnamese video translation?
Synthesia provides high transcription accuracy for English to Vietnamese translations and includes a powerful editor for Enterprise users to fine-tune technical terminology or brand-specific language.
Can I also translate my video from Vietnamese to English?
Yes, Synthesia's AI dubbing allows you to translate videos from Vietnamese to English while preserving the original speaker's voice and matching lip movements.
Can I translate Youtube videos from English to Vietnamese?
Yes, you can translate YouTube videos to Vietnamese by pasting the link into Synthesia’s AI video translator to automatically detect, dub, and lip-sync the content.
Can a podcast video be translated from English to Vietnamese?
Synthesia allows you to translate podcast videos from English to Vietnamese while automatically detecting and dubbing multiple speakers with cloned voices and lip-sync.
