Use tools like m3u4u.com or desktop "M3U Validator" apps to scan for and remove dead links, which helps improve streaming performance.
Browser tools like "copy all links" can extract streaming links, which can be pasted into a text file and saved as .m3u . Optimizing Your Playlist Download playlist 259 m3u
What do you intend to use it with (VLC, TiviMate, etc.)? Use tools like m3u4u
If a stream isn't working, verify the URL is still active in a web browser. etc.)? If a stream isn't working