Video Translator for Udemy

Break the language barrier. Learn any Udemy course in your native language. Video Translator for Udemy is a Chrome extension that translates Udemy video courses in real-time with AI voice dubbing. Instead of reading subtitles for hours, you can now listen to lectures in your language with natural-sounding AI voices.

How It Works

• Install the extension from Chrome Web Store
• Open any Udemy course
• Select your target language and press play
• AI dubbing and translated subtitles stay perfectly synced with the video
• No signup required. Setup takes 20 seconds.

FREE Features

• Local Piper TTS — Uses local synthetic voice models for speech synthesis. Guaranteed audio generation even when server is unavailable.
• Google Translate Built-in — Instant translations powered by Google Translate, no API key required.
• Multi-language Voice Support — English, Spanish, Portuguese, Vietnamese, Chinese, and many more languages.
• Translated Subtitles — Display translated subtitles directly on top of the video player.
• In-player Controls — Toggle dubbing volume or stick to subtitles only — full control over your experience.
• Low-latency Audio — Audio stays perfectly synced with the lecture without delays.
• Secure by Design — Runs entirely in your browser. No raw videos leave the tab — your data stays private.

PRO Features (One-Time Lifetime Purchase)

• AI-Powered Translation (BYOK) — Use your own OpenAI (GPT-4o) or Google Gemini API key for context-aware, professional-grade translations that truly understand technical language. You control the quality, you control the cost.
• Edge TTS Premium Voices — Microsoft Edge TTS with superior audio quality, natural-sounding voices, better intonation, and emotional expression.
• Parallel Generation — Process multiple audio segments simultaneously for significantly faster dubbing.
• Unlimited Local Caching — All translations and dubbings saved in your browser's IndexedDB. Watch lectures again without consuming extra API tokens.
• Export & Import Audio — Download AI-generated dubbing as MP3, subtitles as VTT. Upload your own MP3 dubbing file.
• Video Export with Dubbing — Export complete videos with AI-dubbed audio track for offline learning. Perfect for commuting or traveling.
• Subtitle Editor — Edit and fine-tune subtitles directly for perfect translation accuracy.
• No Watermarks, No Ads — Clean, distraction-free learning environment.
• Lifetime Updates — Pay once, get all future PRO features and updates forever.
• Shape the Future — PRO members can submit feature requests directly. Your ideas help shape what gets built next.

License works on up to 5 devices. All future updates included.

Turn any Udemy course into a lesson in your native language. Real-time translation runs directly in your browser — no extra websites, no exporting videos. You stay on Udemy and keep learning.