Real-Time Audio & Video Translation
Transcribe and translate any web audio or video content instantly
Our Chrome extension brings powerful AI translation directly to your browser. Break language barriers with real-time subtitles in 75+ languages for videos, podcasts, and even live streams.
Why Choose TranslateSub Extension?
Real-Time Transcription
Converts spoken audio into text subtitles as it plays, with no delay or manual intervention needed.
75+ Languages Support
Translate content to and from over 75 languages, making global content instantly accessible.
Live Stream Compatible
Works with live streams on YouTube, Twitch, and other platforms for real-time understanding.
Direct Browser Integration
No extra software needed - subtitles appear directly on your browser, synced with the content.
Privacy Focused
Audio processing happens directly in your browser, with no recording or storage of your content.
Lightweight & Fast
Minimal impact on browser performance while providing instant translations.
How It Works
Install the Extension
Add TranslateSub to Chrome with just one click from the Chrome Web Store.
Activate on Any Page
Click the extension icon when visiting a page with audio or video content.
Select Your Language
Choose from 75+ target languages for translation.
Enjoy Instant Translations
Watch as subtitles appear in real-time, synchronized with the audio.
Endless Possibilities
TranslateSub extension helps in various scenarios where language could be a barrier:
Watch Foreign Videos
Enjoy content from YouTube, Netflix, Bilibili, or any video platform in your preferred language.
Follow Global News
Stay updated with international news sources like BBC, CNN, NHK without language limitations.
Learn New Languages
Improve listening and comprehension skills by comparing original audio with translated subtitles.
Attend International Meetings
Get instant captions and translations for webinars, online courses, and virtual conferences.
What Our Users Say
Jinwoo P.
English Learner
"I'm a Korean student learning English. This extension is a huge help in understanding English videos. Thanks to real-time translation, I can follow English content more easily."
Lily W.
Thai Drama Fan
"作为泰剧迷，这个插件简直是天赐之物！我可以流畅观看最新泰剧，实时理解泰国明星在访谈中的对话。不用再等别人做字幕，现在能第一时间跟上内容，追星体验提升了一个档次！"
Roger J.
Business Professional
"The extension helps me follow international webinars without missing important details. A must-have for global business."
Sarah L.
Content Creator
"This extension has completely changed how I consume foreign content. The real-time translations are surprisingly accurate!"
Frequently Asked Questions
Which browsers are supported?
Currently, TranslateSub is only available for Google Chrome. We plan to add support for more browsers in the future.
Does it work with all websites?
TranslateSub works with most websites that play audio or video content through standard web technologies. Some sites with custom players may have limited compatibility.
Is there a cost to use the extension?
TranslateSub offers free usage credits for initially registered users. Once these credits are depleted, subscription plans are available for continued access to all features.
How accurate are the translations?
Translations are powered by advanced AI models and are highly accurate for most common languages. Technical or specialized content may have varying accuracy.
Does it work offline?
No, TranslateSub requires an internet connection to function as it uses cloud-based AI for transcription and translation.
How is my privacy protected?
We do not record or store the audio content you translate. All processing is done through secure channels, and no personal data is collected unless explicitly provided.
Break Language Barriers Today
Join thousands of users who are already experiencing content from around the world in their own language.