When in doubt, throw it out.
#EXTINF:-1, Example Channel http://streaming-site.com/channel.m3u8 That’s the problem. Real M3U files rarely use a .txt extension unless someone renamed them to bypass email filters or file-type restrictions. Download- M3U.txt -1.98 KB-
You’ve just downloaded a file named M3U.txt – small, just 1.98 KB. Innocent enough, right? When in doubt, throw it out