Multilingual Video Dubbing & Subtitles,
Built for East Asian Languages.
UniDub.io helps you localize videos faster.
Extract accurate subtitles, translate naturally, and generate lifelike voice—
all in one place for Chinese, English, Japanese, and Korean.
Preview the UniDub.io workflow
Do you face these challenges in video localization?
Subtitle creation and timing take too much time
Translations sound unnatural for East Asian languages
Voiceover production is expensive and slow
Hard to scale multilingual publishing across teams
Accurate subtitles, natural translation,
lifelike voice — all in one place.
Accurate Subtitle Extraction
Automatically generate timeline-aligned subtitles with advanced speech recognition.
Natural Translation
Models optimized for East Asian languages to deliver accurate, natural translations.
Natural Voice Generation
Multiple voice options with adjustable tone and speed for natural narration.
All-in-One Workflow
Dubbing and subtitles in one place—export quickly and publish globally with confidence.
UniDub.io for Various Scenarios
Marketing & PR
Localize product demos and brand videos for global audiences
Education & Training
Create multilingual training content with accurate subtitles and voice
Cross-border E-commerce
Reach new markets with localized videos that convert
SNS / YouTube
Scale multilingual publishing and grow your channel faster
Ready to Localize Your Videos?
Create your account today and start editing professional videos.