VideoDict

Understand every word you watch VideoDict turns videos into interactive learning experiences. When you encounter an unfamiliar term, person, or concept while watching YouTube, Bilibili, or Vimeo — just click the VideoDict button. The video pauses, and AI explains 3-5 key terms from the current subtitle in seconds. How it works: 1. Enable captions (CC) on any video 2. Click the VideoDict button in the player controls 3. Get instant explanations of terms from the current subtitle 4. Resume watching when ready Free features: • AI-powered term extraction and explanation • Works on YouTube, Bilibili, and Vimeo • Side panel display • Copy explanations to clipboard • Privacy-first: uses your own AI API key (DeepSeek offers free credit) Pro features ($5 one-time): • Translate explanations to your language • Save terms to personal glossary • Explore related terms with one click • Search any term manually • Floating overlay and bottom sheet display modes • Custom API endpoints Privacy & Cost: VideoDict uses your own AI API key — your data never passes through our servers. Most users spend pennies per month with DeepSeek's free credit. Perfect for: • Learning new subjects from documentaries • Understanding technical content • Following lectures in a second language • Exploring unfamiliar topics