"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36", "Referer": "https://example.com/video/123", "Origin": "https://example.com", "Cookie": "sessionid=abc123; token=xyz789"
A: FFmpeg remuxing may add slight overhead. Using "Keep Segments" shows original size. N-m3u8dl-re Gui
A: If the M3U8 includes subtitle tracks, GUI will list them in advanced options. Check the ones you want. "User-Agent": "Mozilla/5