YouSub di Masaru

YouSub translates YouTube subtitles in real-time using AI providers like Groq, OpenAI, Google Gemini, DeepSeek, Mistral, xAI, and OpenRouter.

Features:
• Real-time subtitle translation with custom overlay
• Support for 7+ AI providers — bring your own API key
• Batch translation with streaming-like display
• Subtitle sync engine that keeps translations aligned with video playback
• Customizable overlay appearance (font, size, color, position)
• Per-video translation cache to avoid re-translating
• Works with any YouTube video that has subtitles/captions

No account required. Your API keys are stored locally and never sent to any third-party server.