Download a YouTube video, build English and Chinese timestamped transcripts, create a structured summary with independent insights, and export a professional Chinese PDF report. Includes fallback when Chinese subtitle download hits HTTP 429 and when full-resolution video download is unnecessarily he
Download a YouTube video, build English and Chinese timestamped transcripts, create a structured summary with independent insights, and export a professional Chinese PDF report. Includes fallback when Chinese subtitle download hits HTTP 429 and when full-resolution video download is unnecessarily heavy.