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YupVox
Translate Video (AI Video Dubbing & Re-rendering)

AI Video Translation & Re-rendering

Automatic Video Speech Dubbing & Subtitle Burning

Translate all speech in your video into any language, synthesize time-aligned voiceovers and re-render sharp MP4 videos.

Drag & drop Video file (.mp4, .mov, .webm) here

Supports video files up to 50MB • Click to start video translation

Time-aligned script translation preview:3 sentences • 11s
00:00 - 00:03
Exploring short-form video creation in 2026.
Exploring short-form video trends in 2026.
Guy (US Neural)
00:03 - 00:07
AI video dubbing makes global reach effortless.
AI video dubbing makes global reach effortless.
Jenny (US Neural)
00:07 - 00:11
Export clean MP4 or burned subtitles video.
Export clean MP4 or burned subtitles video.
Guy (US Neural)
End-to-End AI Video Dubbing Architecture

5-Stage AI Video Dubbing Pipeline

Fully automated workflow from speech recognition, speaker diarization, contextual translation, and time-aligned dubbing to 4K video re-rendering in under 1 minute.

01
Step 1 • Demuxing & ASR

Audio Demuxing & Precision ASR

Automatically extracts speech from video, isolates background noise, and transcribes spoken dialogue with millisecond-level word timestamps.

99% transcription accuracy • Millisecond timestamps
02
Step 2 • Speaker Diarization

Multi-Speaker Diarization

Detects all speakers in the scene, analyzes gender & age profiles, and auto-assigns matching AI voice personas for every character.

Gender & age detection • Smart voice assignment
03
Step 3 • Context Translation

Context-Aware Neural Translation

Translates conversational context naturally, handles culturally accurate pronouns, and balances syllable length to fit original video timing.

Natural pronoun handling • Syllable duration matching
04
Step 4 • Time-Aligned TTS

Time-Aligned Neural Dubbing

Synthesizes studio-grade expressive AI voiceovers (OmniVoice/VieNeu) and dynamically adjusts speech pace to eliminate cumulative timeline drift.

3 emotional styles • Zero cumulative drift guarantee
05
Step 5 • Subtitle Masking & Muxing

Smart Sub Masking & 4K Re-rendering

Overlay new subtitles or seamlessly conceal original foreign text using smart blur / cinema bars, re-rendering crisp 4K MP4 with zero quality loss.

Multiple sub mask modes • Ultra-fast lossless 4K export

Ready to scale your videos globally with Yupvox AI?

Upload your video and get your complete dubbed video in just 30 seconds.

3 Simple Steps to Dub Your Video

Translate and re-render dubbed videos in under 1 minute

1

Setup Configuration

Upload Video (.mp4, .mov, .webm), select target language and AI voice.

2

Confirm Script

Review and edit line-by-line script translation timestamps.

3

Render & Download

Download Clean MP4 Video or Burned Subtitled MP4 Video.

Translate Video Key Features

Industry-leading AI video dubbing and re-rendering pipeline to build multi-language videos.

AI Re-rendering

AI Video Re-rendering

Re-renders complete MP4 videos with synchronized AI voiceovers replacing original speech audio.

Ultra-fast Muxer

Ultra-Fast Stream Copy

Sub-second stream copy FFmpeg engine merging dubbed audio into video with 100% original video quality preserved.

Burned Subtitles

Burned Subtitles Option

Auto-burn crisp white text with black outline subtitles at the bottom center of the video for TikTok, Reels, & Shorts.

Global Reach

Multi-Language Global Reach

Effortlessly turn 1 video into 10 multi-language videos to grow your international audience.

Time-Aligned

Timestamp Alignment

Auto-calculates AI speech speed to make every dialogue line perfectly match video scene transitions.

Auto-Save

Project State Persistence 💾

Every video dubbing project gets a unique ID (?id=xxxxx) so you can resume your workflow anytime.

3-Step AI Video Translation Workflow

Translate and re-render dubbed videos in under 1 minute

1

Setup Configuration

Upload Video (.mp4, .mov, .webm), select target language and AI voice.

2

Confirm Script

Review and edit line-by-line script translation timestamps.

3

Render & Download

Download Clean MP4 Video or Burned Subtitled MP4 Video.

YupVox AI Service Pricing

Flexible credits, no surprise fees. Upgrade or cancel anytime.

🔥 Launch Offer: 50% OFF 1st Month!
Use code LAUNCH50 for 50% OFF your first month.

Free

Free
$0/ month
50.000
credits / month
Usage Equivalent:
TTS:50.000 ký tự
Audio Dub:~16.5 phút
Video Dub:~8.3 phút
50,000 free credits on sign-up
Max 3,000 chars per request
Access 300 standard AI voices
22 Free browser audio tools
Standard processing speed

Lite

Lite
$1.0$2
/ month
With code LAUNCH50 (1st Month)
99.000
credits / month
Usage Equivalent:
TTS:99.000 ký tự
Audio Dub:~33 phút
Video Dub:~16.5 phút
99,000 credits / month
Max 50,000 chars per request
Create up to 20 custom cloned voices
Unlock all 3,000+ premium AI voices
Standard processing speed
API access

Starter

Starter
$4.5$9
/ month
With code LAUNCH50 (1st Month)
999.000
credits / month
Usage Equivalent:
TTS:999.000 ký tự
Audio Dub:~333 phút (~5.5h)
Video Dub:~166.5 phút (~2.7h)
999,000 credits / month
Max 100,000 chars per request
Create up to 100 custom cloned voices
Unlock all 3,000+ premium AI voices
High speed processing priority
API access
MOST POPULAR

Growth

$9.5$19
/ month
With code LAUNCH50 (1st Month)
2.499.000
credits / month
Usage Equivalent:
TTS:2.500.000 ký tự
Audio Dub:~833 phút (~13.8h)
Video Dub:~416.5 phút (~6.9h)
2,499,000 credits / month
Max 100,000 chars per request
Create up to 500 custom cloned voices
Subtitle to Audio dubbing tool
Top priority processing bandwidth
API access

Pro

Enterprise
$14.5$29
/ month
With code LAUNCH50 (1st Month)
3.999.000
credits / month
Usage Equivalent:
TTS:4.000.000 ký tự
Audio Dub:~1.333 phút (~22.2h)
Video Dub:~666.5 phút (~11.1h)
3,999,000 credits / month
Max 100,000 chars per request
Create up to 1,000 custom cloned voices
Subtitle to Audio dubbing tool
API Access & Dedicated 1-on-1 Support
API access
Transparent Credit Conversion Formula

How Much Content Can You Create With 1 Plan?

All Yupvox tools share a unified credit balance. You can freely allocate credits across TTS, Audio, and Video dubbing.

Text to Speech (TTS)

1 Credit = 1 Ký tự

99,000 credits = ~99,000 characters (~16,500 words, ~25 book pages or ~2 hours of narration).

Audio Dubbing

50 Credits / giây (3.000 / phút)

99,000 credits = ~33 minutes of multi-speaker AI audio translation & expressive voice dubbing.

Video Dubbing & Sub

100 Credits / giây (6.000 / phút)

99,000 credits = ~16.5 minutes of AI video dubbing, subtitle masking & 4K MP4 re-rendering.

💡 Swipe horizontally to view all plans⇄
PlanCredits / CycleText to SpeechAudio DubbingVideo Dubbing
Free ($0)50.00050.000 ký tự (~1h)~16,6 phút~8,3 phút
Lite ($1.0 / $2)99.000 / tháng99.000 ký tự (~2h)~33 phút~16,5 phút
Starter ($4.5 / $9)999.000 / tháng1 triệu ký tự (~20h)~333 phút (~5.5h)~166,5 phút (~2.7h)
Growth ($9.5 / $19) ⭐2.499.000 / tháng2.5 triệu ký tự (~50h)~833 phút (~13.8h)~416,5 phút (~6.9h)
Pro ($14.5 / $29)3.999.000 / tháng4 triệu ký tự (~80h)~1.333 phút (~22.2h)~666,5 phút (~11.1h)

Frequently Asked Questions

How is Translate Video priced?

Charged at 100 credits per 1 second of dubbed video (e.g., 10 seconds video = 1,000 credits).

What are the 2 video download options?

You can download Clean Video (dubbed audio only, no text) or Subtitled Video (dubbed audio + burned subtitles at bottom).

Is original video quality preserved?

Yes! FFmpeg Stream Copy maintains original resolution, colors, and frame rate.

Experience AI Video Dubbing & Translation Today

Register now to get 50,000 free trial credits for all features.