"I found an m3u8 file, but FFmpeg gives a 403 error." Solution: The server requires a Referer header. Use the command: ffmpeg -headers "Referer: https://the-website.com" -i "m3u8_url" -c copy video.mp4
For the average user, the will remain viable for non-DRM PlayerJS videos for the next 2–3 years. playerjs video downloader
