Turn full YouTube channels into searchable AI knowledge bases. Extract subtitles, process bulk ZIP/TXT files, and query creators in seconds with domain AI copilots. Features: • Subtitle Extraction: Download transcripts effortlessly. • Bulk Processing: Drag & drop ZIP/TXT subtitle packages. • $1 Pay-As-You-Go: $1 for 400 credits (1.2M characters) with no subscriptions! • Session Resume: IndexedDB manager saves upload progress. • AI Copilots: Scholar, Legal, Finance & General modes.