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.

Frequently Asked Questions

Which languages are supported?
UniDub.io supports Chinese, English, Japanese, and Korean for subtitles, translation, and voice generation.
Do you support multiple voice options?
Yes. You can choose from multiple voice options and adjust tone and speed to fit your content.
Can I use it commercially?
Yes, both corporate and advertising use are permitted. Generated video content can be used for commercial purposes.
How is security handled?
Uploaded media and generated data are securely stored. We apply encryption and strict access controls.