YouTube Bilingual Subtitle Translator

Display bilingual subtitles on YouTube with multiple AI providers (OpenAI, Gemini, Claude). API key stored locally.

The YouTube Bilingual Subtitle Translator allows you to easily display a second subtitle track while watching YouTube videos. This extension supports multiple AI providers (OpenAI, Google Gemini, Anthropic Claude, DeepSeek, etc.), using your API Key to parse video subtitle content in real-time and generate auxiliary subtitles. Key Features 🤖 Smart API Key Detection - Automatically detects and configures AI provider from API key format, with real-time visual feedback ✨ Multiple AI Provider Support OpenAI (GPT-4, GPT-4o-mini, etc.) Google Gemini, Anthropic Claude, DeepSeek Azure OpenAI Any OpenAI API-compatible service 🔒 Privacy & Security - API Key stored locally in your browser, never uploaded 🌍 Multilingual Interface - Supports 10 interface languages, auto-switches based on browser 🎯 Smart Translation - Smart debouncing reduces API calls by 70-90% 🎨 Customizable - Adjust subtitle color, font size, background, draggable positioning