YouTube Bilingual Subtitle Translator

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📌 Note: Store versions may be slightly behind the latest release due to review processes. Check the changelog for the most recent updates.

Display bilingual subtitles on YouTube videos (original + translation)
Support for multiple AI providers: OpenAI, Azure OpenAI, Anthropic (Claude), Google Gemini, DeepSeek, and custom endpoints
Quick provider selection with smart model auto-fill
API endpoint testing before saving configuration
API key stored locally for privacy protection
Customizable target translation language (supports 20+ languages)
Customizable subtitle appearance (color, size, background)
Draggable subtitle positioning
Multi-language UI (English & Chinese)
Clean and beautiful user interface with modern design
Completely free and open source
Available for Chrome and Edge browsers