Learn Language with Subtitles

Learn languages while watching YouTube and streaming videos with bilingual subtitles and AI word highlights saved to your word list.

Learn languages naturally while watching your favorite videos! Learn Language with Subtitles adds bilingual dual subtitles to video streaming websites like YouTube, letting you watch videos with both the original audio language and your target translation language side by side. Key Features: - Dual Subtitle Display: Watch videos with primary and secondary subtitles rendered simultaneously on screen. - Official & Community Subtitles: Seamlessly loads native YouTube caption tracks and auto-translated tracks. - AI-Powered Translations: Optionally connect AI translation (via your personal OpenRouter API key) for high-accuracy contextual translations and word-by-word learning breakdowns. - Custom Subtitle Styling: Customize font size, colors, opacity, and positioning to fit your screen and learning preferences. - Wide Platform Support: Designed for YouTube with built-in architecture for streaming services. How to Use: 1. Open any YouTube video with captions enabled. 2. Click the Learn Language with Subtitles icon in your browser toolbar to open the settings popup. 3. Select your desired primary and secondary subtitle languages. 4. Enjoy bilingual subtitles directly on your video player! Privacy & Security: Your privacy is our highest priority. All your settings, subtitle preferences, and optional AI keys are stored 100% locally in your browser's private storage. No browsing history, account credentials, or personal information is ever collected, tracked, or sold to third parties.