Extract and save subtitles from video URLs as plain .txt files. Supports Bilibili (B站) and YouTube. Use when the user provides a Bilibili or YouTube video link and asks to extract, download, or save subtitles/captions. Triggers on phrases like "提取字幕", "下载字幕", "extract subtitles", "get subtitles", or
Extract and save subtitles from video URLs as plain .txt files. Supports Bilibili (B站) and YouTube. Use when the user provides a Bilibili or YouTube video link and asks to extract, download, or save subtitles/captions. Triggers on phrases like "提取字幕", "下载字幕", "extract subtitles", "get subtitles", or when a bilibili.com / youtube.com / youtu.be URL is provided with a subtitle-related request.