Many DPlayer sites use segmented HLS streaming.
If you don’t want to touch code, use a dedicated extension. These work on 80% of DPlayer sites. how to download dplayer video
If you open the .m3u8 file and see text that says #EXT-X-KEY: METHOD=AES-128, the video is encrypted. Many DPlayer sites use segmented HLS streaming
Pro Tip: If the video is split into small .ts segments (common with HLS streams), Video DownloadHelper will automatically stitch them together into a single .mp4 file for you. If you don’t want to touch code, use a dedicated extension