Question: Can you recommend a tool that helps me understand English videos and content with subtitles and explanations?

If you're looking for a tool to help you learn English by watching videos with subtitles and explanations, eJOY is a good option. It's an English learning platform with dual subtitles for videos, an AI dictionary and AI explanations. The service also offers video summarization, knowledge capture and an intelligent review system with interactive games and spaced repetition algorithms. eJOY offers different pricing tiers for different needs, from basic to advanced English communication courses.

Another option is ChatTube, a web app and Chrome extension that adds real-time video chat to YouTube. You can use it to ask questions, get video summaries, locate key moments in videos and translate video text. ChatTube uses AI and ChatGPT technology and offers different service levels, so it's a good option for students, teachers, technologists and content creators.

If you want something more interactive, ChatTube AI marries YouTube videos and PDF documents with the ChatGPT technology. The service lets you chat with videos, turn PDFs into interactive lessons and create quizzes to test your knowledge. It's geared for distance learning, corporate training and content creation, and offers tools like a YouTube Summarizer and Blog Generator.

Last but not least, Summarize.ing is a good option for its AI-powered instant summaries of YouTube videos. It offers full summaries, detailed highlights and mind maps to help you quickly understand a lot of information. The service is good for anyone who needs to get up to speed on lots of videos and needs good, high-quality summaries.